255977875 has 16 divisors (see below), whose sum is σ = 320074560. Its totient is φ = 204388800.

The previous prime is 255977849. The next prime is 255977903. The reversal of 255977875 is 578779552.

It is not a de Polignac number, because 255977875 - 2²¹ = 253880723 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75466 + ... + 78784.

It is an arithmetic number, because the mean of its divisors is an integer number (20004660).

Almost surely, 2^255977875 is an apocalyptic number.

255977875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

255977875 is a deficient number, since it is larger than the sum of its proper divisors (64096685).

255977875 is an equidigital number, since it uses as much as digits as its factorization.

255977875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3951 (or 3941 counting only the distinct ones).

The product of its digits is 6174000, while the sum is 55.

The square root of 255977875 is about 15999.3085788105. The cubic root of 255977875 is about 634.9421279435.

The spelling of 255977875 in words is "two hundred fifty-five million, nine hundred seventy-seven thousand, eight hundred seventy-five".