318857138875 has 32 divisors (see below), whose sum is σ = 438407805888. Its totient is φ = 229600000000.

The previous prime is 318857138869. The next prime is 318857138911. The reversal of 318857138875 is 578831758813.

It is not a de Polignac number, because 318857138875 - 2²⁷ = 318722921147 is a prime.

It is a Duffinian 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 31 ways as a sum of consecutive naturals, for example, 1009126 + ... + 1286875.

It is an arithmetic number, because the mean of its divisors is an integer number (13700243934).

Almost surely, 2^318857138875 is an apocalyptic number.

318857138875 is a deficient number, since it is larger than the sum of its proper divisors (119550667013).

318857138875 is a wasteful number, since it uses less digits than its factorization.

318857138875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2296128 (or 2296118 counting only the distinct ones).

The product of its digits is 45158400, while the sum is 64.

The spelling of 318857138875 in words is "three hundred eighteen billion, eight hundred fifty-seven million, one hundred thirty-eight thousand, eight hundred seventy-five".