255583623776 has 48 divisors (see below), whose sum is σ = 548745825600. Its totient is φ = 116468471808.

The previous prime is 255583623773. The next prime is 255583623781. The reversal of 255583623776 is 677326385552.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255583623773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3855641 + ... + 3921368.

It is an arithmetic number, because the mean of its divisors is an integer number (11432204700).

Almost surely, 2^255583623776 is an apocalyptic number.

255583623776 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

255583623776 is an abundant number, since it is smaller than the sum of its proper divisors (293162201824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255583623776 is a wasteful number, since it uses less digits than its factorization.

255583623776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7777111 (or 7777103 counting only the distinct ones).

The product of its digits is 63504000, while the sum is 59.

The spelling of 255583623776 in words is "two hundred fifty-five billion, five hundred eighty-three million, six hundred twenty-three thousand, seven hundred seventy-six".