970912857 has 16 divisors (see below), whose sum is σ = 1371366720. Its totient is φ = 608904192.

The previous prime is 970912853. The next prime is 970912871. The reversal of 970912857 is 758219079.

It is not a de Polignac number, because 970912857 - 2² = 970912853 is a prime.

It is not an unprimeable number, because it can be changed into a prime (970912853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154458 + ... + 160620.

It is an arithmetic number, because the mean of its divisors is an integer number (85710420).

Almost surely, 2^970912857 is an apocalyptic number.

It is an amenable number.

970912857 is a deficient number, since it is larger than the sum of its proper divisors (400453863).

970912857 is a wasteful number, since it uses less digits than its factorization.

970912857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9272.

The product of its (nonzero) digits is 317520, while the sum is 48.

The square root of 970912857 is about 31159.4745944151. The cubic root of 970912857 is about 990.2087295833.

The spelling of 970912857 in words is "nine hundred seventy million, nine hundred twelve thousand, eight hundred fifty-seven".