856725375 has 96 divisors (see below), whose sum is σ = 1593446400. Its totient is φ = 408408000.

The previous prime is 856725361. The next prime is 856725377. The reversal of 856725375 is 573527658.

It is not a de Polignac number, because 856725375 - 2⁸ = 856725119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (856725377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3584506 + ... + 3584744.

It is an arithmetic number, because the mean of its divisors is an integer number (16598400).

Almost surely, 2^856725375 is an apocalyptic number.

856725375 is a deficient number, since it is larger than the sum of its proper divisors (736721025).

856725375 is a wasteful number, since it uses less digits than its factorization.

856725375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358 (or 337 counting only the distinct ones).

The product of its digits is 1764000, while the sum is 48.

The square root of 856725375 is about 29269.8714551328. The cubic root of 856725375 is about 949.7600040108.

The spelling of 856725375 in words is "eight hundred fifty-six million, seven hundred twenty-five thousand, three hundred seventy-five".