856154468 has 24 divisors (see below), whose sum is σ = 1614983160. Its totient is φ = 394790400.

The previous prime is 856154449. The next prime is 856154483. The reversal of 856154468 is 864451658.

It can be written as a sum of positive squares in 4 ways, for example, as 708964 + 855445504 = 842^2 + 29248^2 .

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, 55598 + ... + 69306.

It is an arithmetic number, because the mean of its divisors is an integer number (67290965).

Almost surely, 2^856154468 is an apocalyptic number.

It is an amenable number.

856154468 is a deficient number, since it is larger than the sum of its proper divisors (758828692).

856154468 is a wasteful number, since it uses less digits than its factorization.

856154468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14927 (or 14925 counting only the distinct ones).

The product of its digits is 921600, while the sum is 47.

The square root of 856154468 is about 29260.1173613504. The cubic root of 856154468 is about 949.5489892415.

The spelling of 856154468 in words is "eight hundred fifty-six million, one hundred fifty-four thousand, four hundred sixty-eight".