56897517992679 has 288 divisors, whose sum is σ = 109284308689920. Its totient is φ = 27700885481472.

The previous prime is 56897517992677. The next prime is 56897517992687. The reversal of 56897517992679 is 97629971579865.

56897517992679 is a `hidden beast` number, since 5 + 6 + 89 + 7 + 517 + 9 + 9 + 2 + 6 + 7 + 9 = 666.

It is not a de Polignac number, because 56897517992679 - 2¹ = 56897517992677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56897517992677) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 12458398854 + ... + 12458403420.

Almost surely, 2^{56897517992679} is an apocalyptic number.

56897517992679 is a deficient number, since it is larger than the sum of its proper divisors (52386790697241).

56897517992679 is a wasteful number, since it uses less digits than its factorization.

56897517992679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5131 (or 5085 counting only the distinct ones).

The product of its digits is 32406091200, while the sum is 90.

The spelling of 56897517992679 in words is "fifty-six trillion, eight hundred ninety-seven billion, five hundred seventeen million, nine hundred ninety-two thousand, six hundred seventy-nine".