857794274 has 16 divisors (see below), whose sum is σ = 1336348800. Its totient is φ = 412654224.

The previous prime is 857794213. The next prime is 857794303. The reversal of 857794274 is 472497758.

It is a super-2 number, since 2×857794274² = 1471622033014374152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71789 + ... + 82880.

It is an arithmetic number, because the mean of its divisors is an integer number (83521800).

Almost surely, 2^857794274 is an apocalyptic number.

857794274 is a deficient number, since it is larger than the sum of its proper divisors (478554526).

857794274 is a wasteful number, since it uses less digits than its factorization.

857794274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154777.

The product of its digits is 3951360, while the sum is 53.

The square root of 857794274 is about 29288.1251363074. The cubic root of 857794274 is about 950.1548312739.

The spelling of 857794274 in words is "eight hundred fifty-seven million, seven hundred ninety-four thousand, two hundred seventy-four".