76872380681856 has 64 divisors (see below), whose sum is σ = 204314753746080. Its totient is φ = 25608755278848.

The previous prime is 76872380681843. The next prime is 76872380681969. The reversal of 76872380681856 is 65818608327867.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 59404411 + ... + 60684666.

Almost surely, 2^{76872380681856} is an apocalyptic number.

It is an amenable number.

76872380681856 is an abundant number, since it is smaller than the sum of its proper divisors (127442373064224).

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

76872380681856 is a wasteful number, since it uses less digits than its factorization.

76872380681856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120090761 (or 120090749 counting only the distinct ones).

The product of its (nonzero) digits is 1300561920, while the sum is 75.

The spelling of 76872380681856 in words is "seventy-six trillion, eight hundred seventy-two billion, three hundred eighty million, six hundred eighty-one thousand, eight hundred fifty-six".