255823775 has 6 divisors (see below), whose sum is σ = 317221512. Its totient is φ = 204659000.

The previous prime is 255823753. The next prime is 255823783. The reversal of 255823775 is 577328552.

It is not a de Polignac number, because 255823775 - 2¹² = 255819679 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5116451 + ... + 5116500.

It is an arithmetic number, because the mean of its divisors is an integer number (52870252).

Almost surely, 2^255823775 is an apocalyptic number.

255823775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

255823775 is a deficient number, since it is larger than the sum of its proper divisors (61397737).

255823775 is a wasteful number, since it uses less digits than its factorization.

255823775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10232961 (or 10232956 counting only the distinct ones).

The product of its digits is 588000, while the sum is 44.

The square root of 255823775 is about 15994.4920206926. The cubic root of 255823775 is about 634.8146895561.

The spelling of 255823775 in words is "two hundred fifty-five million, eight hundred twenty-three thousand, seven hundred seventy-five".