255850879 has 4 divisors (see below), whose sum is σ = 255916584. Its totient is φ = 255785176.

The previous prime is 255850849. The next prime is 255850891. The reversal of 255850879 is 978058552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255850879 - 2²¹ = 253753727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255850849) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 26617 + ... + 34930.

It is an arithmetic number, because the mean of its divisors is an integer number (63979146).

Almost surely, 2^255850879 is an apocalyptic number.

255850879 is a deficient number, since it is larger than the sum of its proper divisors (65705).

255850879 is an equidigital number, since it uses as much as digits as its factorization.

255850879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65704.

The product of its (nonzero) digits is 1008000, while the sum is 49.

The square root of 255850879 is about 15995.3392899307. The cubic root of 255850879 is about 634.8371078656.

The spelling of 255850879 in words is "two hundred fifty-five million, eight hundred fifty thousand, eight hundred seventy-nine".