76631294969 has 4 divisors (see below), whose sum is σ = 80664521040. Its totient is φ = 72598068900.

The previous prime is 76631294953. The next prime is 76631294981. The reversal of 76631294969 is 96949213667.

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 not a de Polignac number, because 76631294969 - 2⁴ = 76631294953 is a prime.

It is a super-2 number, since 2×76631294969² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76631294669) 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, 2016613007 + ... + 2016613044.

It is an arithmetic number, because the mean of its divisors is an integer number (20166130260).

Almost surely, 2^76631294969 is an apocalyptic number.

It is an amenable number.

76631294969 is a deficient number, since it is larger than the sum of its proper divisors (4033226071).

76631294969 is a wasteful number, since it uses less digits than its factorization.

76631294969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4033226070.

The product of its digits is 26453952, while the sum is 62.

The spelling of 76631294969 in words is "seventy-six billion, six hundred thirty-one million, two hundred ninety-four thousand, nine hundred sixty-nine".