857093864 has 16 divisors (see below), whose sum is σ = 1753146720. Its totient is φ = 389588080.

The previous prime is 857093851. The next prime is 857093891. The reversal of 857093864 is 468390758.

857093864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 4869764 + ... + 4869939.

It is an arithmetic number, because the mean of its divisors is an integer number (109571670).

Almost surely, 2^857093864 is an apocalyptic number.

It is an amenable number.

857093864 is an abundant number, since it is smaller than the sum of its proper divisors (896052856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

857093864 is a wasteful number, since it uses less digits than its factorization.

857093864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9739720 (or 9739716 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 857093864 is about 29276.1654592947. The cubic root of 857093864 is about 949.8961526375.

The spelling of 857093864 in words is "eight hundred fifty-seven million, ninety-three thousand, eight hundred sixty-four".