256255804727 has 8 divisors (see below), whose sum is σ = 276582423600. Its totient is φ = 236016990720.

The previous prime is 256255804667. The next prime is 256255804729. The reversal of 256255804727 is 727408552652.

It is a happy number.

256255804727 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 256255804727 - 2²⁸ = 255987369271 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 (256255804729) 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 7 ways as a sum of consecutive naturals, for example, 21945149 + ... + 21956822.

It is an arithmetic number, because the mean of its divisors is an integer number (34572802950).

Almost surely, 2^256255804727 is an apocalyptic number.

256255804727 is a deficient number, since it is larger than the sum of its proper divisors (20326618873).

256255804727 is a wasteful number, since it uses less digits than its factorization.

256255804727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43902433.

The product of its (nonzero) digits is 9408000, while the sum is 53.

The spelling of 256255804727 in words is "two hundred fifty-six billion, two hundred fifty-five million, eight hundred four thousand, seven hundred twenty-seven".