317158208875 has 8 divisors (see below), whose sum is σ = 395813444832. Its totient is φ = 253726567000.

The previous prime is 317158208777. The next prime is 317158208923. The reversal of 317158208875 is 578802851713.

It is not a de Polignac number, because 317158208875 - 2⁹ = 317158208363 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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1268632711 + ... + 1268632960.

It is an arithmetic number, because the mean of its divisors is an integer number (49476680604).

Almost surely, 2^317158208875 is an apocalyptic number.

317158208875 is a deficient number, since it is larger than the sum of its proper divisors (78655235957).

317158208875 is an equidigital number, since it uses as much as digits as its factorization.

317158208875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537265686 (or 2537265676 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 55.

The spelling of 317158208875 in words is "three hundred seventeen billion, one hundred fifty-eight million, two hundred eight thousand, eight hundred seventy-five".