316587883657 has 2 divisors, whose sum is σ = 316587883658. Its totient is φ = 316587883656.

The previous prime is 316587883649. The next prime is 316587883663. The reversal of 316587883657 is 756388785613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 310771685961 + 5816197696 = 557469^2 + 76264^2 .

It is a cyclic number.

It is not a de Polignac number, because 316587883657 - 2³ = 316587883649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 316587883592 and 316587883601.

It is not a weakly prime, because it can be changed into another prime (316587883607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158293941828 + 158293941829.

It is an arithmetic number, because the mean of its divisors is an integer number (158293941829).

Almost surely, 2^316587883657 is an apocalyptic number.

It is an amenable number.

316587883657 is a deficient number, since it is larger than the sum of its proper divisors (1).

316587883657 is an equidigital number, since it uses as much as digits as its factorization.

316587883657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 203212800, while the sum is 67.

The spelling of 316587883657 in words is "three hundred sixteen billion, five hundred eighty-seven million, eight hundred eighty-three thousand, six hundred fifty-seven".