57872044165 has 32 divisors (see below), whose sum is σ = 75561615360. Its totient is φ = 42295405824.

The previous prime is 57872044057. The next prime is 57872044177. The reversal of 57872044165 is 56144027875.

It is a cyclic number.

It is not a de Polignac number, because 57872044165 - 2¹³ = 57872035973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6846972 + ... + 6855418.

It is an arithmetic number, because the mean of its divisors is an integer number (2361300480).

Almost surely, 2^57872044165 is an apocalyptic number.

It is an amenable number.

57872044165 is a deficient number, since it is larger than the sum of its proper divisors (17689571195).

57872044165 is a wasteful number, since it uses less digits than its factorization.

57872044165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9541.

The product of its (nonzero) digits is 1881600, while the sum is 49.

The spelling of 57872044165 in words is "fifty-seven billion, eight hundred seventy-two million, forty-four thousand, one hundred sixty-five".