76691461808 has 30 divisors (see below), whose sum is σ = 160898919444. Its totient is φ = 35396058048.

The previous prime is 76691461793. The next prime is 76691461829. The reversal of 76691461808 is 80816419667.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14178410 + ... + 14183817.

Almost surely, 2^76691461808 is an apocalyptic number.

It is an amenable number.

76691461808 is an abundant number, since it is smaller than the sum of its proper divisors (84207457636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76691461808 is a wasteful number, since it uses less digits than its factorization.

76691461808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28362261 (or 28362242 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 56.

The spelling of 76691461808 in words is "seventy-six billion, six hundred ninety-one million, four hundred sixty-one thousand, eight hundred eight".