76889326604697 has 10 divisors (see below), whose sum is σ = 114859364434298. Its totient is φ = 51259551069744.

The previous prime is 76889326604681. The next prime is 76889326604719. The reversal of 76889326604697 is 79640662398867.

76889326604697 is a `hidden beast` number, since 7 + 6 + 8 + 8 + 93 + 2 + 6 + 60 + 469 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 76184774535321 + 704552069376 = 8728389^2 + 839376^2 .

It is not a de Polignac number, because 76889326604697 - 2⁴ = 76889326604681 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (81), and also a Moran number because the ratio is a prime number: 949250945737 = 76889326604697 / (7 + 6 + 8 + 8 + 9 + 3 + 2 + 6 + 6 + 0 + 4 + 6 + 9 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76889326604297) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 474625472788 + ... + 474625472949.

Almost surely, 2^{76889326604697} is an apocalyptic number.

It is an amenable number.

76889326604697 is a deficient number, since it is larger than the sum of its proper divisors (37970037829601).

76889326604697 is an equidigital number, since it uses as much as digits as its factorization.

76889326604697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949250945749 (or 949250945740 counting only the distinct ones).

The product of its (nonzero) digits is 7900913664, while the sum is 81.

The spelling of 76889326604697 in words is "seventy-six trillion, eight hundred eighty-nine billion, three hundred twenty-six million, six hundred four thousand, six hundred ninety-seven".