856452568 has 16 divisors (see below), whose sum is σ = 1606709160. Its totient is φ = 427996800.

The previous prime is 856452557. The next prime is 856452601. The reversal of 856452568 is 865254658.

856452568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×856452568² = 1467022002467589248, 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, 12273 + ... + 43168.

Almost surely, 2^856452568 is an apocalyptic number.

It is an amenable number.

856452568 is a deficient number, since it is larger than the sum of its proper divisors (750256592).

856452568 is a wasteful number, since it uses less digits than its factorization.

856452568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57378 (or 57374 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 49.

The square root of 856452568 is about 29265.2108825479. The cubic root of 856452568 is about 949.6591826385.

The spelling of 856452568 in words is "eight hundred fifty-six million, four hundred fifty-two thousand, five hundred sixty-eight".