317916876138 has 32 divisors (see below), whose sum is σ = 687559912704. Its totient is φ = 97616527872.

The previous prime is 317916876133. The next prime is 317916876149. The reversal of 317916876138 is 831678619713.

It is a super-2 number, since 2×317916876138² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (317916876133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33152995 + ... + 33162582.

It is an arithmetic number, because the mean of its divisors is an integer number (21486247272).

Almost surely, 2^317916876138 is an apocalyptic number.

317916876138 is an abundant number, since it is smaller than the sum of its proper divisors (369643036566).

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

317916876138 is a wasteful number, since it uses less digits than its factorization.

317916876138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66315646.

The product of its digits is 9144576, while the sum is 60.

The spelling of 317916876138 in words is "three hundred seventeen billion, nine hundred sixteen million, eight hundred seventy-six thousand, one hundred thirty-eight".