317905377768 has 48 divisors (see below), whose sum is σ = 939265891200. Its totient is φ = 96334962720.

The previous prime is 317905377743. The next prime is 317905377787. The reversal of 317905377768 is 867773509713.

317905377768 is a `hidden beast` number, since 3 + 1 + 7 + 90 + 537 + 7 + 7 + 6 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 200697048 + ... + 200698631.

It is an arithmetic number, because the mean of its divisors is an integer number (19568039400).

Almost surely, 2^317905377768 is an apocalyptic number.

It is an amenable number.

317905377768 is an abundant number, since it is smaller than the sum of its proper divisors (621360513432).

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

317905377768 is a wasteful number, since it uses less digits than its factorization.

317905377768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401395702 (or 401395695 counting only the distinct ones).

The product of its (nonzero) digits is 46675440, while the sum is 63.

The spelling of 317905377768 in words is "three hundred seventeen billion, nine hundred five million, three hundred seventy-seven thousand, seven hundred sixty-eight".