255087768 has 128 divisors (see below), whose sum is σ = 743097600. Its totient is φ = 72285696.

The previous prime is 255087751. The next prime is 255087793. The reversal of 255087768 is 867780552.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 218755 + ... + 219917.

It is an arithmetic number, because the mean of its divisors is an integer number (5805450).

Almost surely, 2^255087768 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 255087768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371548800).

255087768 is an abundant number, since it is smaller than the sum of its proper divisors (488009832).

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

255087768 is a wasteful number, since it uses less digits than its factorization.

255087768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241 (or 1237 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 48.

The square root of 255087768 is about 15971.4673089231. The cubic root of 255087768 is about 634.2053158499.

The spelling of 255087768 in words is "two hundred fifty-five million, eighty-seven thousand, seven hundred sixty-eight".