56979618074 has 4 divisors (see below), whose sum is σ = 85469427114. Its totient is φ = 28489809036.

The previous prime is 56979618043. The next prime is 56979618079. The reversal of 56979618074 is 47081697965.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 34580005849 + 22399612225 = 185957^2 + 149665^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56979617998 and 56979618016.

It is not an unprimeable number, because it can be changed into a prime (56979618079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14244904517 + ... + 14244904520.

Almost surely, 2^56979618074 is an apocalyptic number.

56979618074 is a deficient number, since it is larger than the sum of its proper divisors (28489809040).

56979618074 is a wasteful number, since it uses less digits than its factorization.

56979618074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28489809039.

The product of its (nonzero) digits is 22861440, while the sum is 62.

The spelling of 56979618074 in words is "fifty-six billion, nine hundred seventy-nine million, six hundred eighteen thousand, seventy-four".