255800479145877 has 24 divisors (see below), whose sum is σ = 391331830922136. Its totient is φ = 160458130676736.

The previous prime is 255800479145867. The next prime is 255800479145921. The reversal of 255800479145877 is 778541974008552.

255800479145877 is a `hidden beast` number, since 2 + 5 + 5 + 8 + 0 + 0 + 479 + 145 + 8 + 7 + 7 = 666.

255800479145877 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 4 ways, for example, as 31699309685796 + 224101169460081 = 5630214^2 + 14970009^2 .

It is not a de Polignac number, because 255800479145877 - 2¹¹ = 255800479143829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255800479145867) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 229289368 + ... + 230402289.

It is an arithmetic number, because the mean of its divisors is an integer number (16305492955089).

Almost surely, 2^{255800479145877} is an apocalyptic number.

It is an amenable number.

255800479145877 is a deficient number, since it is larger than the sum of its proper divisors (135531351776259).

255800479145877 is a wasteful number, since it uses less digits than its factorization.

255800479145877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459695317 (or 459695314 counting only the distinct ones).

The product of its (nonzero) digits is 790272000, while the sum is 72.

The spelling of 255800479145877 in words is "two hundred fifty-five trillion, eight hundred billion, four hundred seventy-nine million, one hundred forty-five thousand, eight hundred seventy-seven".