857970032 has 20 divisors (see below), whose sum is σ = 1663129416. Its totient is φ = 428775360.

The previous prime is 857969999. The next prime is 857970049. The reversal of 857970032 is 230079758.

It is a super-2 number, since 2×857970032² = 1472225151620162048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23807 + ... + 47777.

Almost surely, 2^857970032 is an apocalyptic number.

It is an amenable number.

857970032 is a deficient number, since it is larger than the sum of its proper divisors (805159384).

857970032 is a wasteful number, since it uses less digits than its factorization.

857970032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26216 (or 26210 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 857970032 is about 29291.1254819613. The cubic root of 857970032 is about 950.2197209230.

The spelling of 857970032 in words is "eight hundred fifty-seven million, nine hundred seventy thousand, thirty-two".