856966125 has 32 divisors (see below), whose sum is σ = 1449407232. Its totient is φ = 449544000.

The previous prime is 856966111. The next prime is 856966157. The reversal of 856966125 is 521669658.

856966125 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 856966125 - 2¹¹ = 856964077 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4144 + ... + 41606.

It is an arithmetic number, because the mean of its divisors is an integer number (45293976).

Almost surely, 2^856966125 is an apocalyptic number.

It is an amenable number.

856966125 is a deficient number, since it is larger than the sum of its proper divisors (592441107).

856966125 is a wasteful number, since it uses less digits than its factorization.

856966125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37542 (or 37532 counting only the distinct ones).

The product of its digits is 777600, while the sum is 48.

The square root of 856966125 is about 29273.9837569129. The cubic root of 856966125 is about 949.8489602905.

The spelling of 856966125 in words is "eight hundred fifty-six million, nine hundred sixty-six thousand, one hundred twenty-five".