255776285863 has 18 divisors (see below), whose sum is σ = 305614489992. Its totient is φ = 209679548760.

The previous prime is 255776285837. The next prime is 255776285873. The reversal of 255776285863 is 368582677552.

It is a de Polignac number, because none of the positive numbers 2^k-255776285863 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255776285795 and 255776285804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255776285803) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 30771478 + ... + 30779788.

Almost surely, 2^255776285863 is an apocalyptic number.

255776285863 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

255776285863 is a deficient number, since it is larger than the sum of its proper divisors (49838204129).

255776285863 is an frugal number, since it uses more digits than its factorization.

255776285863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16675 (or 8341 counting only the distinct ones).

The product of its digits is 169344000, while the sum is 64.

The spelling of 255776285863 in words is "two hundred fifty-five billion, seven hundred seventy-six million, two hundred eighty-five thousand, eight hundred sixty-three".