255907667399 has 16 divisors (see below), whose sum is σ = 259474168800. Its totient is φ = 252365546496.

The previous prime is 255907667387. The next prime is 255907667413. The reversal of 255907667399 is 993766709552.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255907667399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255907667339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58039907 + ... + 58044315.

It is an arithmetic number, because the mean of its divisors is an integer number (16217135550).

Almost surely, 2^255907667399 is an apocalyptic number.

255907667399 is a deficient number, since it is larger than the sum of its proper divisors (3566501401).

255907667399 is a wasteful number, since it uses less digits than its factorization.

255907667399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6994.

The product of its (nonzero) digits is 192893400, while the sum is 68.

The spelling of 255907667399 in words is "two hundred fifty-five billion, nine hundred seven million, six hundred sixty-seven thousand, three hundred ninety-nine".