56680877428 has 24 divisors (see below), whose sum is σ = 113370176192. Its totient is φ = 24290000064.

The previous prime is 56680877417. The next prime is 56680877441. The reversal of 56680877428 is 82477808665.

56680877428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 350800 + ... + 486232.

Almost surely, 2^56680877428 is an apocalyptic number.

It is an amenable number.

56680877428 is an abundant number, since it is smaller than the sum of its proper divisors (56689298764).

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

56680877428 is a wasteful number, since it uses less digits than its factorization.

56680877428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150391 (or 150389 counting only the distinct ones).

The product of its (nonzero) digits is 36126720, while the sum is 61.

The spelling of 56680877428 in words is "fifty-six billion, six hundred eighty million, eight hundred seventy-seven thousand, four hundred twenty-eight".