317977462457 has 2 divisors, whose sum is σ = 317977462458. Its totient is φ = 317977462456.

The previous prime is 317977462441. The next prime is 317977462463. The reversal of 317977462457 is 754264779713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 308007240256 + 9970222201 = 554984^2 + 99851^2 .

It is a cyclic number.

It is not a de Polignac number, because 317977462457 - 2⁴ = 317977462441 is a prime.

It is a super-2 number, since 2×317977462457² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 317977462457.

It is not a weakly prime, because it can be changed into another prime (317977462417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158988731228 + 158988731229.

It is an arithmetic number, because the mean of its divisors is an integer number (158988731229).

Almost surely, 2^317977462457 is an apocalyptic number.

It is an amenable number.

317977462457 is a deficient number, since it is larger than the sum of its proper divisors (1).

317977462457 is an equidigital number, since it uses as much as digits as its factorization.

317977462457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62233920, while the sum is 62.

The spelling of 317977462457 in words is "three hundred seventeen billion, nine hundred seventy-seven million, four hundred sixty-two thousand, four hundred fifty-seven".