57979897974 has 24 divisors (see below), whose sum is σ = 125677049472. Its totient is φ = 19318334640.

The previous prime is 57979897957. The next prime is 57979898047. The reversal of 57979897974 is 47979897975.

It is a junction number, because it is equal to n+sod(n) for n = 57979897893 and 57979897902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 648342 + ... + 732329.

It is an arithmetic number, because the mean of its divisors is an integer number (5236543728).

Almost surely, 2^57979897974 is an apocalyptic number.

57979897974 is an abundant number, since it is smaller than the sum of its proper divisors (67697151498).

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

57979897974 is a wasteful number, since it uses less digits than its factorization.

57979897974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383012 (or 1383009 counting only the distinct ones).

The product of its digits is 2520473760, while the sum is 81.

Subtracting from 57979897974 its reverse (47979897975), we obtain a palindrome (9999999999).

The spelling of 57979897974 in words is "fifty-seven billion, nine hundred seventy-nine million, eight hundred ninety-seven thousand, nine hundred seventy-four".