318627345717 has 12 divisors (see below), whose sum is σ = 460257121324. Its totient is φ = 212410097280.

The previous prime is 318627345667. The next prime is 318627345791. The reversal of 318627345717 is 717543726813.

318627345717 is a `hidden beast` number, since 3 + 1 + 8 + 62 + 7 + 3 + 4 + 571 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13383250596 + 305244095121 = 115686^2 + 552489^2 .

It is not a de Polignac number, because 318627345717 - 2¹⁸ = 318627083573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318627335717) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 424678 + ... + 904215.

Almost surely, 2^318627345717 is an apocalyptic number.

It is an amenable number.

318627345717 is a deficient number, since it is larger than the sum of its proper divisors (141629775607).

318627345717 is a wasteful number, since it uses less digits than its factorization.

318627345717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355540 (or 1355537 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 54.

The spelling of 318627345717 in words is "three hundred eighteen billion, six hundred twenty-seven million, three hundred forty-five thousand, seven hundred seventeen".