255823477 has 16 divisors (see below), whose sum is σ = 322543872. Its totient is φ = 197470080.

The previous prime is 255823453. The next prime is 255823511. The reversal of 255823477 is 774328552.

It is a cyclic number.

It is not a de Polignac number, because 255823477 - 2⁷ = 255823349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255823177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30553 + ... + 38014.

It is an arithmetic number, because the mean of its divisors is an integer number (20158992).

Almost surely, 2^255823477 is an apocalyptic number.

It is an amenable number.

255823477 is a deficient number, since it is larger than the sum of its proper divisors (66720395).

255823477 is a wasteful number, since it uses less digits than its factorization.

255823477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68628.

The product of its digits is 470400, while the sum is 43.

The square root of 255823477 is about 15994.4827049830. The cubic root of 255823477 is about 634.8144430650.

The spelling of 255823477 in words is "two hundred fifty-five million, eight hundred twenty-three thousand, four hundred seventy-seven".