315696847 has 2 divisors, whose sum is σ = 315696848. Its totient is φ = 315696846.

The previous prime is 315696803. The next prime is 315696853. The reversal of 315696847 is 748696513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 315696847 - 2²⁷ = 181479119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 315696847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315696047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157848423 + 157848424.

It is an arithmetic number, because the mean of its divisors is an integer number (157848424).

Almost surely, 2^315696847 is an apocalyptic number.

315696847 is a deficient number, since it is larger than the sum of its proper divisors (1).

315696847 is an equidigital number, since it uses as much as digits as its factorization.

315696847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 49.

The square root of 315696847 is about 17767.8599442927. The cubic root of 315696847 is about 680.9105786993.

It can be divided in two parts, 31569 and 6847, that added together give a 4-th power (38416 = 14⁴).

The spelling of 315696847 in words is "three hundred fifteen million, six hundred ninety-six thousand, eight hundred forty-seven".