317177865985 has 16 divisors (see below), whose sum is σ = 385208836992. Its totient is φ = 250696252800.

The previous prime is 317177865973. The next prime is 317177866007. The reversal of 317177865985 is 589568771713.

It is not a de Polignac number, because 317177865985 - 2³⁷ = 179738912513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 317177865985.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 952701 + ... + 1241770.

It is an arithmetic number, because the mean of its divisors is an integer number (24075552312).

Almost surely, 2^317177865985 is an apocalyptic number.

It is an amenable number.

317177865985 is a deficient number, since it is larger than the sum of its proper divisors (68030971007).

317177865985 is a wasteful number, since it uses less digits than its factorization.

317177865985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2194824.

The product of its digits is 88905600, while the sum is 67.

The spelling of 317177865985 in words is "three hundred seventeen billion, one hundred seventy-seven million, eight hundred sixty-five thousand, nine hundred eighty-five".