317778490275568 has 80 divisors (see below), whose sum is σ = 704095722293184. Its totient is φ = 136104996464640.

The previous prime is 317778490275539. The next prime is 317778490275707. The reversal of 317778490275568 is 865572094877713.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1265515788 + ... + 1265766868.

It is a 1-persistent number, because it is pandigital, but 2⋅317778490275568 = 635556980551136 is not.

Almost surely, 2^{317778490275568} is an apocalyptic number.

It is an amenable number.

317778490275568 is an abundant number, since it is smaller than the sum of its proper divisors (386317232017616).

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

317778490275568 is a wasteful number, since it uses less digits than its factorization.

317778490275568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258170 (or 258164 counting only the distinct ones).

The product of its (nonzero) digits is 4978713600, while the sum is 79.

The spelling of 317778490275568 in words is "three hundred seventeen trillion, seven hundred seventy-eight billion, four hundred ninety million, two hundred seventy-five thousand, five hundred sixty-eight".