256063818927 has 24 divisors (see below), whose sum is σ = 399538452096. Its totient is φ = 145445987568.

The previous prime is 256063818887. The next prime is 256063818943. The reversal of 256063818927 is 729818360652.

It is not a de Polignac number, because 256063818927 - 2¹⁰ = 256063817903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256063818977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5190813 + ... + 5239910.

It is an arithmetic number, because the mean of its divisors is an integer number (16647435504).

Almost surely, 2^256063818927 is an apocalyptic number.

256063818927 is a deficient number, since it is larger than the sum of its proper divisors (143474633169).

256063818927 is a wasteful number, since it uses less digits than its factorization.

256063818927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10430907 (or 10430900 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 256063818927 in words is "two hundred fifty-six billion, sixty-three million, eight hundred eighteen thousand, nine hundred twenty-seven".