57997479975 has 48 divisors (see below), whose sum is σ = 98666390304. Its totient is φ = 30047680000.

The previous prime is 57997479941. The next prime is 57997479979.

57997479975 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 57997479975 - 2²³ = 57989091367 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57997479975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57997479979) 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, 329245 + ... + 473705.

It is an arithmetic number, because the mean of its divisors is an integer number (2055549798).

Almost surely, 2^57997479975 is an apocalyptic number.

57997479975 is a deficient number, since it is larger than the sum of its proper divisors (40668910329).

57997479975 is a wasteful number, since it uses less digits than its factorization.

57997479975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144628 (or 144623 counting only the distinct ones).

The product of its digits is 1575296100, while the sum is 78.

The spelling of 57997479975 in words is "fifty-seven billion, nine hundred ninety-seven million, four hundred seventy-nine thousand, nine hundred seventy-five".