Seventy seven or Seventy-seven?

Seventy seven or seventy-seven?

In this article we show you how to write 77 in English words correctly.

In addition, we provide you with the grammar rule right away. 🙂

Regardless of where they appear in a number, hyphenate all compound numbers between 21 and 99 (not 30, 40, 50, 60, 70, 80, and 90) such as 77. In other words:

Hyphenate all numbers between twenty-one and ninety-nine, except those divisible by ten, even if the compound number is preceded or succeeded by numbers that do not require hyphens.

Thus, the correct spelling of 77 is seventy-seven (hyphenated).

Along the same lines:

• 77,000 = seventy-seven thousand (hyphenated).
• 77,000,000 = seventy-seven million (hyphenated).
• 77,000,000,000 = seventy-seven billion (hyphenated).

Seventy-seven or Seventy seven Spelling

It doesn’t matter which noun follows the adjective, the grammar rule explained above remains in place.

In the examples below the correct spelling is underlined.

Seventy seven years or seventy-seven years?
Seventy seven percent or seventy-seven percent?
Seventy seven hours or seventy-seven hours?

Frequently Asked Questions about Seventy Seven

Does seventy seven have a hyphen?

Yes, 77 has a hyphen and is spelled correctly as seventy-seven.

Do you hyphenate seventy seven?

Yes, you put a hyphen between seventy and seven: seventy-seven.

Does seventy seven need a hyphen?

As 77 is a compound number in between 21 and 99 it needs a hyphen; therefore writing 77 in full is seventy-seven.

In the table below we show you the correct spelling of some numbers succeeding and precededing 77:

Seventy seventh or Seventy-seventh?

In the following examples the correct spelling is underlined.

Seventy seventh part or seventy-seventh part?
Seventy seventh day or seventy-seventh day?
Seventy seventh hour or seventy-seventh hour?

Frequently Asked Questions about Seventy seventh

• Does seventy seventh have a hyphen? Yes, the ordinal number for 77 has a hyphen and is spelled correctly as seventy-seventh.
• Do you hyphenate seventy seventh? Yes, you put a hyphen between seventy and seventh: seventy-seventh.
• Does seventy seventh need a hyphen? 77 is a compound number in between 21 and 99 which needs a hyphen. Thus, writing 77th in full is seventy-seventh.

Seventy seventh or Seventy-seven?

As you already know, 77 as cardinal numeral is seventy-seven, and 77 as ordinal numeral is seventy-seventh.

Thus, the question in the subtitle above mixes two distinguished linguistic concepts and cannot be answered as such.

Observe that you can always check how to spell a number in full correctly using our converter below.

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Spelling: Seventy-seven

Summary

As explained by the hyphens-in-numbers rule, 77 = seventy-seven.

If you are happy with our information, then you may also be interested in our article seventy-nine or seventy nine.


We love to hear your feedback and answer any question about how to correctly write 77 you might have.

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– Article written by Mark, last updated on May 5th, 2023