255902879 has 4 divisors (see below), whose sum is σ = 255980280. Its totient is φ = 255825480.

The previous prime is 255902863. The next prime is 255902891. The reversal of 255902879 is 978209552.

255902879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 255902879 - 2⁴ = 255902863 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 (255902839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33509 + ... + 40430.

It is an arithmetic number, because the mean of its divisors is an integer number (63995070).

Almost surely, 2^255902879 is an apocalyptic number.

255902879 is a deficient number, since it is larger than the sum of its proper divisors (77401).

255902879 is an equidigital number, since it uses as much as digits as its factorization.

255902879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77400.

The product of its (nonzero) digits is 453600, while the sum is 47.

The square root of 255902879 is about 15996.9646808387. The cubic root of 255902879 is about 634.8801137675.

The spelling of 255902879 in words is "two hundred fifty-five million, nine hundred two thousand, eight hundred seventy-nine".