315657058987 has 2 divisors, whose sum is σ = 315657058988. Its totient is φ = 315657058986.

The previous prime is 315657058967. The next prime is 315657059027. The reversal of 315657058987 is 789850756513.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 315657058987 - 2³¹ = 313509575339 is a prime.

It is not a weakly prime, because it can be changed into another prime (315657058967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157828529493 + 157828529494.

It is an arithmetic number, because the mean of its divisors is an integer number (157828529494).

Almost surely, 2^315657058987 is an apocalyptic number.

315657058987 is a deficient number, since it is larger than the sum of its proper divisors (1).

315657058987 is an equidigital number, since it uses as much as digits as its factorization.

315657058987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504000, while the sum is 64.

The spelling of 315657058987 in words is "three hundred fifteen billion, six hundred fifty-seven million, fifty-eight thousand, nine hundred eighty-seven".