856260875 has 8 divisors (see below), whose sum is σ = 1068613728. Its totient is φ = 685008600.

The previous prime is 856260857. The next prime is 856260907. The reversal of 856260875 is 578062658.

It is not a de Polignac number, because 856260875 - 2¹⁶ = 856195339 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3424919 + ... + 3425168.

It is an arithmetic number, because the mean of its divisors is an integer number (133576716).

Almost surely, 2^856260875 is an apocalyptic number.

856260875 is a deficient number, since it is larger than the sum of its proper divisors (212352853).

856260875 is an equidigital number, since it uses as much as digits as its factorization.

856260875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6850102 (or 6850092 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 47.

The square root of 856260875 is about 29261.9355989996. The cubic root of 856260875 is about 949.5883257855.

The spelling of 856260875 in words is "eight hundred fifty-six million, two hundred sixty thousand, eight hundred seventy-five".