627665465377231 has 2 divisors, whose sum is σ = 627665465377232. Its totient is φ = 627665465377230.

The previous prime is 627665465377207. The next prime is 627665465377253. The reversal of 627665465377231 is 132773564566726.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 627665465377231 - 2³⁵ = 627631105638863 is a prime.

It is a super-2 number, since 2×627665465377231² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (627665465374231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313832732688615 + 313832732688616.

It is an arithmetic number, because the mean of its divisors is an integer number (313832732688616).

Almost surely, 2^{627665465377231} is an apocalyptic number.

627665465377231 is a deficient number, since it is larger than the sum of its proper divisors (1).

627665465377231 is an equidigital number, since it uses as much as digits as its factorization.

627665465377231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1600300800, while the sum is 70.

The spelling of 627665465377231 in words is "six hundred twenty-seven trillion, six hundred sixty-five billion, four hundred sixty-five million, three hundred seventy-seven thousand, two hundred thirty-one".