255766888 has 64 divisors (see below), whose sum is σ = 533332800. Its totient is φ = 114255360.

The previous prime is 255766879. The next prime is 255766891. The reversal of 255766888 is 888667552.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447643 + ... + 448213.

It is an arithmetic number, because the mean of its divisors is an integer number (8333325).

Almost surely, 2^255766888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255766888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266666400).

255766888 is an abundant number, since it is smaller than the sum of its proper divisors (277565912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255766888 is a wasteful number, since it uses less digits than its factorization.

255766888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722 (or 718 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 55.

The square root of 255766888 is about 15992.7135908826. The cubic root of 255766888 is about 634.7676319278.

The spelling of 255766888 in words is "two hundred fifty-five million, seven hundred sixty-six thousand, eight hundred eighty-eight".