255877 has 2 divisors, whose sum is σ = 255878. Its totient is φ = 255876.

The previous prime is 255869. The next prime is 255887. The reversal of 255877 is 778552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136161 + 119716 = 369^2 + 346^2 .

It is a cyclic number.

It is not a de Polignac number, because 255877 - 2³ = 255869 is a prime.

It is a super-3 number, since 3×255877³ = 50259134499633399, which contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127938 + 127939.

It is an arithmetic number, because the mean of its divisors is an integer number (127939).

2²⁵⁵⁸⁷⁷ is an apocalyptic number.

It is an amenable number.

255877 is a deficient number, since it is larger than the sum of its proper divisors (1).

255877 is an equidigital number, since it uses as much as digits as its factorization.

255877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19600, while the sum is 34.

The square root of 255877 is about 505.8428609756. The cubic root of 255877 is about 63.4858711616.

The spelling of 255877 in words is "two hundred fifty-five thousand, eight hundred seventy-seven".