255856892 has 24 divisors (see below), whose sum is σ = 459768960. Its totient is φ = 124509440.

The previous prime is 255856889. The next prime is 255856999. The reversal of 255856892 is 298658552.

It is a self number, because there is not a number n which added to its sum of digits gives 255856892.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76928 + ... + 80184.

It is an arithmetic number, because the mean of its divisors is an integer number (19157040).

Almost surely, 2^255856892 is an apocalyptic number.

It is an amenable number.

255856892 is a deficient number, since it is larger than the sum of its proper divisors (203912068).

255856892 is a wasteful number, since it uses less digits than its factorization.

255856892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781 (or 3779 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 50.

The square root of 255856892 is about 15995.5272498283. The cubic root of 255856892 is about 634.8420811345.

The spelling of 255856892 in words is "two hundred fifty-five million, eight hundred fifty-six thousand, eight hundred ninety-two".