56627902878 has 16 divisors (see below), whose sum is σ = 113318712336. Its totient is φ = 18865483200.

The previous prime is 56627902867. The next prime is 56627902901. The reversal of 56627902878 is 87820972665.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2609401 + ... + 2631012.

It is an arithmetic number, because the mean of its divisors is an integer number (7082419521).

Almost surely, 2^56627902878 is an apocalyptic number.

56627902878 is an abundant number, since it is smaller than the sum of its proper divisors (56690809458).

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

56627902878 is a wasteful number, since it uses less digits than its factorization.

56627902878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5242219.

The product of its (nonzero) digits is 20321280, while the sum is 60.

The spelling of 56627902878 in words is "fifty-six billion, six hundred twenty-seven million, nine hundred two thousand, eight hundred seventy-eight".