255504879 has 12 divisors (see below), whose sum is σ = 421785936. Its totient is φ = 146002752.

The previous prime is 255504871. The next prime is 255504901. The reversal of 255504879 is 978405552.

255504879 is a `hidden beast` number, since 25 + 550 + 4 + 8 + 79 = 666.

It is not a de Polignac number, because 255504879 - 2³ = 255504871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255504871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2027754 + ... + 2027879.

It is an arithmetic number, because the mean of its divisors is an integer number (35148828).

Almost surely, 2^255504879 is an apocalyptic number.

255504879 is a deficient number, since it is larger than the sum of its proper divisors (166281057).

255504879 is a wasteful number, since it uses less digits than its factorization.

255504879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4055646 (or 4055643 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 45.

The square root of 255504879 is about 15984.5199802809. The cubic root of 255504879 is about 634.5508047257.

The spelling of 255504879 in words is "two hundred fifty-five million, five hundred four thousand, eight hundred seventy-nine".