317757998017 has 2 divisors, whose sum is σ = 317757998018. Its totient is φ = 317757998016.

The previous prime is 317757998011. The next prime is 317757998039. The reversal of 317757998017 is 710899757713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222662240641 + 95095757376 = 471871^2 + 308376^2 .

It is a cyclic number.

It is not a de Polignac number, because 317757998017 - 2¹⁵ = 317757965249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 317757998017.

It is not a weakly prime, because it can be changed into another prime (317757998011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158878999008 + 158878999009.

It is an arithmetic number, because the mean of its divisors is an integer number (158878999009).

Almost surely, 2^317757998017 is an apocalyptic number.

It is an amenable number.

317757998017 is a deficient number, since it is larger than the sum of its proper divisors (1).

317757998017 is an equidigital number, since it uses as much as digits as its factorization.

317757998017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23337720, while the sum is 64.

The spelling of 317757998017 in words is "three hundred seventeen billion, seven hundred fifty-seven million, nine hundred ninety-eight thousand, seventeen".