255776 has 12 divisors (see below), whose sum is σ = 503622. Its totient is φ = 127872.

The previous prime is 255767. The next prime is 255803. The reversal of 255776 is 677552.

It is a happy number.

255776 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 250000 + 5776 = 500^2 + 76^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 7993 = 255776 / (2 + 5 + 5 + 7 + 7 + 6).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3965 + ... + 4028.

2²⁵⁵⁷⁷⁶ is an apocalyptic number.

It is an amenable number.

255776 is a deficient number, since it is larger than the sum of its proper divisors (247846).

255776 is an equidigital number, since it uses as much as digits as its factorization.

255776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8003 (or 7995 counting only the distinct ones).

The product of its digits is 14700, while the sum is 32.

The square root of 255776 is about 505.7430177472. The cubic root of 255776 is about 63.4775169956.

It can be divided in two parts, 25 and 5776, that multiplied together give a square (144400 = 380²).

The spelling of 255776 in words is "two hundred fifty-five thousand, seven hundred seventy-six".