255587880 has 64 divisors (see below), whose sum is σ = 783095040. Its totient is φ = 66705152.

The previous prime is 255587869. The next prime is 255587921. The reversal of 255587880 is 88785552.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 17019 + ... + 28298.

It is an arithmetic number, because the mean of its divisors is an integer number (12235860).

Almost surely, 2^255587880 is an apocalyptic number.

255587880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255587880 is an abundant number, since it is smaller than the sum of its proper divisors (527507160).

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

255587880 is a wasteful number, since it uses less digits than its factorization.

255587880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45378 (or 45374 counting only the distinct ones).

The product of its (nonzero) digits is 896000, while the sum is 48.

The square root of 255587880 is about 15987.1160626299. The cubic root of 255587880 is about 634.6195087618.

The spelling of 255587880 in words is "two hundred fifty-five million, five hundred eighty-seven thousand, eight hundred eighty".