557862868 has 12 divisors (see below), whose sum is σ = 981372672. Its totient is φ = 277470680.

The previous prime is 557862859. The next prime is 557862923. The reversal of 557862868 is 868268755.

It is a happy number.

It is a super-2 number, since 2×557862868² = 622421958986370848, 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, 364330 + ... + 365857.

It is an arithmetic number, because the mean of its divisors is an integer number (81781056).

Almost surely, 2^557862868 is an apocalyptic number.

It is an amenable number.

557862868 is a deficient number, since it is larger than the sum of its proper divisors (423509804).

557862868 is a wasteful number, since it uses less digits than its factorization.

557862868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730382 (or 730380 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 55.

The square root of 557862868 is about 23619.1208134427. The cubic root of 557862868 is about 823.2071839086.

The spelling of 557862868 in words is "five hundred fifty-seven million, eight hundred sixty-two thousand, eight hundred sixty-eight".