56678974475 has 12 divisors (see below), whose sum is σ = 72181441104. Its totient is φ = 44117687520.

The previous prime is 56678974463. The next prime is 56678974493. The reversal of 56678974475 is 57447987665.

It is a happy number.

It is not a de Polignac number, because 56678974475 - 2⁴ = 56678974459 is a prime.

It is a super-2 number, since 2×56678974475² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30636359 + ... + 30638208.

It is an arithmetic number, because the mean of its divisors is an integer number (6015120092).

Almost surely, 2^56678974475 is an apocalyptic number.

56678974475 is a deficient number, since it is larger than the sum of its proper divisors (15502466629).

56678974475 is a wasteful number, since it uses less digits than its factorization.

56678974475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61274614 (or 61274609 counting only the distinct ones).

The product of its digits is 355622400, while the sum is 68.

The spelling of 56678974475 in words is "fifty-six billion, six hundred seventy-eight million, nine hundred seventy-four thousand, four hundred seventy-five".