256875792582 has 16 divisors (see below), whose sum is σ = 513804110400. Its totient is φ = 85616509992.

The previous prime is 256875792577. The next prime is 256875792619. The reversal of 256875792582 is 285297578652.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2124832 + ... + 2242467.

It is an arithmetic number, because the mean of its divisors is an integer number (32112756900).

Almost surely, 2^256875792582 is an apocalyptic number.

256875792582 is an abundant number, since it is smaller than the sum of its proper divisors (256928317818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

256875792582 is a wasteful number, since it uses less digits than its factorization.

256875792582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4377107.

The product of its digits is 169344000, while the sum is 66.

The spelling of 256875792582 in words is "two hundred fifty-six billion, eight hundred seventy-five million, seven hundred ninety-two thousand, five hundred eighty-two".