317863775465 has 16 divisors (see below), whose sum is σ = 410494865040. Its totient is φ = 235409233920.

The previous prime is 317863775459. The next prime is 317863775527. The reversal of 317863775465 is 564577368713.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 12199644304 + 305664131161 = 110452^2 + 552869^2 .

It is not a de Polignac number, because 317863775465 - 2⁶ = 317863775401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 317863775398 and 317863775407.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30647060 + ... + 30657429.

It is an arithmetic number, because the mean of its divisors is an integer number (25655929065).

Almost surely, 2^317863775465 is an apocalyptic number.

It is an amenable number.

317863775465 is a deficient number, since it is larger than the sum of its proper divisors (92631089575).

317863775465 is a wasteful number, since it uses less digits than its factorization.

317863775465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61304572.

The product of its digits is 88905600, while the sum is 62.

The spelling of 317863775465 in words is "three hundred seventeen billion, eight hundred sixty-three million, seven hundred seventy-five thousand, four hundred sixty-five".