5657866858 has 32 divisors (see below), whose sum is σ = 9852240384. Its totient is φ = 2386601712.

The previous prime is 5657866847. The next prime is 5657866859. The reversal of 5657866858 is 8586687565.

It is a super-2 number, since 2×5657866858² = 64022914765709584328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5657866858.

It is not an unprimeable number, because it can be changed into a prime (5657866859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1787185 + ... + 1790347.

It is an arithmetic number, because the mean of its divisors is an integer number (307882512).

Almost surely, 2^5657866858 is an apocalyptic number.

5657866858 is a deficient number, since it is larger than the sum of its proper divisors (4194373526).

5657866858 is a wasteful number, since it uses less digits than its factorization.

5657866858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5146.

The product of its digits is 96768000, while the sum is 64.

The square root of 5657866858 is about 75218.7932500914. The cubic root of 5657866858 is about 1781.9037471687.

The spelling of 5657866858 in words is "five billion, six hundred fifty-seven million, eight hundred sixty-six thousand, eight hundred fifty-eight".