947315137825 has 48 divisors (see below), whose sum is σ = 1369418244480. Its totient is φ = 636582136320.

The previous prime is 947315137733. The next prime is 947315137859. The reversal of 947315137825 is 528731513749.

It is not a de Polignac number, because 947315137825 - 2⁷ = 947315137697 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7889086 + ... + 8008264.

It is an arithmetic number, because the mean of its divisors is an integer number (28529546760).

Almost surely, 2^947315137825 is an apocalyptic number.

It is an amenable number.

947315137825 is a deficient number, since it is larger than the sum of its proper divisors (422103106655).

947315137825 is a wasteful number, since it uses less digits than its factorization.

947315137825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120106 (or 120101 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 55.

The spelling of 947315137825 in words is "nine hundred forty-seven billion, three hundred fifteen million, one hundred thirty-seven thousand, eight hundred twenty-five".