76686673056 has 144 divisors (see below), whose sum is σ = 247943094336. Its totient is φ = 20621604864.

The previous prime is 76686672967. The next prime is 76686673067. The reversal of 76686673056 is 65037668667.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 399516 + ... + 559451.

It is an arithmetic number, because the mean of its divisors is an integer number (1721827044).

Almost surely, 2^76686673056 is an apocalyptic number.

It is an amenable number.

76686673056 is an abundant number, since it is smaller than the sum of its proper divisors (171256421280).

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

76686673056 is a wasteful number, since it uses less digits than its factorization.

76686673056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959011 (or 958996 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 60.

The spelling of 76686673056 in words is "seventy-six billion, six hundred eighty-six million, six hundred seventy-three thousand, fifty-six".