255607704247 has 16 divisors (see below), whose sum is σ = 301363750912. Its totient is φ = 212214932640.

The previous prime is 255607704229. The next prime is 255607704251. The reversal of 255607704247 is 742407706552.

255607704247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 255607704247 - 2¹¹ = 255607702199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255607704247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255607704257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2155029 + ... + 2270542.

It is an arithmetic number, because the mean of its divisors is an integer number (18835234432).

Almost surely, 2^255607704247 is an apocalyptic number.

255607704247 is a deficient number, since it is larger than the sum of its proper divisors (45756046665).

255607704247 is a wasteful number, since it uses less digits than its factorization.

255607704247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4425838.

The product of its (nonzero) digits is 3292800, while the sum is 49.

The spelling of 255607704247 in words is "two hundred fifty-five billion, six hundred seven million, seven hundred four thousand, two hundred forty-seven".