857897102204 has 24 divisors (see below), whose sum is σ = 1509995057088. Its totient is φ = 426476635200.

The previous prime is 857897102177. The next prime is 857897102233. The reversal of 857897102204 is 402201798758.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 323147 + ... + 1349154.

It is an arithmetic number, because the mean of its divisors is an integer number (62916460712).

Almost surely, 2^857897102204 is an apocalyptic number.

It is an amenable number.

857897102204 is a deficient number, since it is larger than the sum of its proper divisors (652097954884).

857897102204 is a wasteful number, since it uses less digits than its factorization.

857897102204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673045 (or 1673043 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 53.

The spelling of 857897102204 in words is "eight hundred fifty-seven billion, eight hundred ninety-seven million, one hundred two thousand, two hundred four".