856245375 has 48 divisors (see below), whose sum is σ = 1634357088. Its totient is φ = 429792000.

The previous prime is 856245343. The next prime is 856245419. The reversal of 856245375 is 573542658.

856245375 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 856245375 - 2⁵ = 856245343 is a prime.

It is a super-2 number, since 2×856245375² = 1466312284417781250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 856245375.

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, 3261 + ... + 41510.

It is an arithmetic number, because the mean of its divisors is an integer number (34049106).

Almost surely, 2^856245375 is an apocalyptic number.

856245375 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

856245375 is a deficient number, since it is larger than the sum of its proper divisors (778111713).

856245375 is a wasteful number, since it uses less digits than its factorization.

856245375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44809 (or 44796 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The square root of 856245375 is about 29261.6707486090. The cubic root of 856245375 is about 949.5825959476.

The spelling of 856245375 in words is "eight hundred fifty-six million, two hundred forty-five thousand, three hundred seventy-five".