856344125 has 48 divisors (see below), whose sum is σ = 1322800128. Its totient is φ = 541944000.

The previous prime is 856344091. The next prime is 856344131. The reversal of 856344125 is 521443658.

856344125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 856344125 - 2⁶ = 856344061 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 144980 + ... + 150770.

It is an arithmetic number, because the mean of its divisors is an integer number (27558336).

Almost surely, 2^856344125 is an apocalyptic number.

It is an amenable number.

856344125 is a deficient number, since it is larger than the sum of its proper divisors (466456003).

856344125 is a wasteful number, since it uses less digits than its factorization.

856344125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5839 (or 5816 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 856344125 is about 29263.3580608925. The cubic root of 856344125 is about 949.6190993766.

The spelling of 856344125 in words is "eight hundred fifty-six million, three hundred forty-four thousand, one hundred twenty-five".