76906590291 has 16 divisors (see below), whose sum is σ = 113986711200. Its totient is φ = 51248100384.

The previous prime is 76906590283. The next prime is 76906590307. The reversal of 76906590291 is 19209560967.

It is not a de Polignac number, because 76906590291 - 2³ = 76906590283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76906590191) 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, 576256 + ... + 697053.

It is an arithmetic number, because the mean of its divisors is an integer number (7124169450).

Almost surely, 2^76906590291 is an apocalyptic number.

76906590291 is a deficient number, since it is larger than the sum of its proper divisors (37080120909).

76906590291 is a wasteful number, since it uses less digits than its factorization.

76906590291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275555 (or 1275549 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 54.

The spelling of 76906590291 in words is "seventy-six billion, nine hundred six million, five hundred ninety thousand, two hundred ninety-one".