76688977988667 has 16 divisors (see below), whose sum is σ = 111548862847872. Its totient is φ = 46477644102720.

The previous prime is 76688977988633. The next prime is 76688977988683.

76688977988667 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 76688977988667 - 2⁶ = 76688977988603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76688977988687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10129993 + ... + 15999834.

It is an arithmetic number, because the mean of its divisors is an integer number (6971803927992).

Almost surely, 2^{76688977988667} is an apocalyptic number.

76688977988667 is a deficient number, since it is larger than the sum of its proper divisors (34859884859205).

76688977988667 is a wasteful number, since it uses less digits than its factorization.

76688977988667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26218778.

The product of its digits is 1032386052096, while the sum is 102.

The spelling of 76688977988667 in words is "seventy-six trillion, six hundred eighty-eight billion, nine hundred seventy-seven million, nine hundred eighty-eight thousand, six hundred sixty-seven".