57979118870505 has 48 divisors (see below), whose sum is σ = 116307720122880. Its totient is φ = 26169237005184.

The previous prime is 57979118870411. The next prime is 57979118870509. The reversal of 57979118870505 is 50507881197975.

It is not a de Polignac number, because 57979118870505 - 2²⁰ = 57979117821929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57979118870509) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1164916222 + ... + 1164965991.

It is an arithmetic number, because the mean of its divisors is an integer number (2423077502560).

Almost surely, 2^{57979118870505} is an apocalyptic number.

It is an amenable number.

57979118870505 is an abundant number, since it is smaller than the sum of its proper divisors (58328601252375).

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

57979118870505 is a wasteful number, since it uses less digits than its factorization.

57979118870505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2329882310 (or 2329882307 counting only the distinct ones).

The product of its (nonzero) digits is 222264000, while the sum is 72.

The spelling of 57979118870505 in words is "fifty-seven trillion, nine hundred seventy-nine billion, one hundred eighteen million, eight hundred seventy thousand, five hundred five".