76697116993 has 4 divisors (see below), whose sum is σ = 87653848000. Its totient is φ = 65740385988.

The previous prime is 76697116943. The next prime is 76697117009. The reversal of 76697116993 is 39961179667.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76697116993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76697116943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5478365493 + ... + 5478365506.

It is an arithmetic number, because the mean of its divisors is an integer number (21913462000).

Almost surely, 2^76697116993 is an apocalyptic number.

It is an amenable number.

76697116993 is a deficient number, since it is larger than the sum of its proper divisors (10956731007).

76697116993 is a wasteful number, since it uses less digits than its factorization.

76697116993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10956731006.

The product of its digits is 23147208, while the sum is 64.

The spelling of 76697116993 in words is "seventy-six billion, six hundred ninety-seven million, one hundred sixteen thousand, nine hundred ninety-three".