317455427717 has 2 divisors, whose sum is σ = 317455427718. Its totient is φ = 317455427716.

The previous prime is 317455427633. The next prime is 317455427749. The reversal of 317455427717 is 717724554713.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 312809778436 + 4645649281 = 559294^2 + 68159^2 .

It is a cyclic number.

It is not a de Polignac number, because 317455427717 - 2³⁸ = 42577520773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317455427767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158727713858 + 158727713859.

It is an arithmetic number, because the mean of its divisors is an integer number (158727713859).

Almost surely, 2^317455427717 is an apocalyptic number.

It is an amenable number.

317455427717 is a deficient number, since it is larger than the sum of its proper divisors (1).

317455427717 is an equidigital number, since it uses as much as digits as its factorization.

317455427717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5762400, while the sum is 53.

The spelling of 317455427717 in words is "three hundred seventeen billion, four hundred fifty-five million, four hundred twenty-seven thousand, seven hundred seventeen".