970513857 has 12 divisors (see below), whose sum is σ = 1431680640. Its totient is φ = 633242808.

The previous prime is 970513849. The next prime is 970513871. The reversal of 970513857 is 758315079.

It is not a de Polignac number, because 970513857 - 2³ = 970513849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (970513847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1146757 + ... + 1147602.

It is an arithmetic number, because the mean of its divisors is an integer number (119306720).

Almost surely, 2^970513857 is an apocalyptic number.

It is an amenable number.

970513857 is a deficient number, since it is larger than the sum of its proper divisors (461166783).

970513857 is a wasteful number, since it uses less digits than its factorization.

970513857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2294412 (or 2294409 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 45.

The square root of 970513857 is about 31153.0713895115. The cubic root of 970513857 is about 990.0730677628.

The spelling of 970513857 in words is "nine hundred seventy million, five hundred thirteen thousand, eight hundred fifty-seven".