76931616231 has 6 divisors (see below), whose sum is σ = 111123445680. Its totient is φ = 51287744148.

The previous prime is 76931616197. The next prime is 76931616259. The reversal of 76931616231 is 13261613967.

It is a happy number.

76931616231 is a `hidden beast` number, since 7 + 6 + 9 + 3 + 1 + 616 + 23 + 1 = 666.

It is not a de Polignac number, because 76931616231 - 2¹⁰ = 76931615207 is a prime.

It is a super-2 number, since 2×76931616231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76931616331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4273978671 + ... + 4273978688.

It is an arithmetic number, because the mean of its divisors is an integer number (18520574280).

Almost surely, 2^76931616231 is an apocalyptic number.

76931616231 is a deficient number, since it is larger than the sum of its proper divisors (34191829449).

76931616231 is a wasteful number, since it uses less digits than its factorization.

76931616231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8547957365 (or 8547957362 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The spelling of 76931616231 in words is "seventy-six billion, nine hundred thirty-one million, six hundred sixteen thousand, two hundred thirty-one".