255286868 has 12 divisors (see below), whose sum is σ = 446900160. Its totient is φ = 127601112.

The previous prime is 255286753. The next prime is 255286873. The reversal of 255286868 is 868682552.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5813 + ... + 23331.

It is an arithmetic number, because the mean of its divisors is an integer number (37241680).

Almost surely, 2^255286868 is an apocalyptic number.

It is an amenable number.

255286868 is a deficient number, since it is larger than the sum of its proper divisors (191613292).

255286868 is a wasteful number, since it uses less digits than its factorization.

255286868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21166 (or 21164 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 50.

The square root of 255286868 is about 15977.6990834100. The cubic root of 255286868 is about 634.3702753351.

The spelling of 255286868 in words is "two hundred fifty-five million, two hundred eighty-six thousand, eight hundred sixty-eight".