56678434068 has 24 divisors (see below), whose sum is σ = 133125509440. Its totient is φ = 18767692800.

The previous prime is 56678434049. The next prime is 56678434097. The reversal of 56678434068 is 86043487665.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 56678433999 and 56678434017.

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, 15637933 + ... + 15641556.

Almost surely, 2^56678434068 is an apocalyptic number.

It is an amenable number.

56678434068 is an abundant number, since it is smaller than the sum of its proper divisors (76447075372).

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

56678434068 is a wasteful number, since it uses less digits than its factorization.

56678434068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31279647 (or 31279645 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 57.

The spelling of 56678434068 in words is "fifty-six billion, six hundred seventy-eight million, four hundred thirty-four thousand, sixty-eight".