255976896 has 112 divisors (see below), whose sum is σ = 777914624. Its totient is φ = 72769536.

The previous prime is 255976879. The next prime is 255976921. The reversal of 255976896 is 698679552.

It is a tau number, because it is divible by the number of its divisors (112).

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 15 ways as a sum of consecutive naturals, for example, 380016 + ... + 380688.

Almost surely, 2^255976896 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 255976896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388957312).

255976896 is an abundant number, since it is smaller than the sum of its proper divisors (521937728).

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

255976896 is a wasteful number, since it uses less digits than its factorization.

255976896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978 (or 968 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 57.

The square root of 255976896 is about 15999.2779837091. The cubic root of 255976896 is about 634.9413184866.

The spelling of 255976896 in words is "two hundred fifty-five million, nine hundred seventy-six thousand, eight hundred ninety-six".