256927223005 has 8 divisors (see below), whose sum is σ = 313538306400. Its totient is φ = 202058019216.

The previous prime is 256927222967. The next prime is 256927223017. The reversal of 256927223005 is 500322729652.

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 256927223005 - 2²⁷ = 256793005277 is a prime.

It is a super-2 number, since 2×256927223005² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435469575 + ... + 435470164.

It is an arithmetic number, because the mean of its divisors is an integer number (39192288300).

Almost surely, 2^256927223005 is an apocalyptic number.

It is an amenable number.

256927223005 is a deficient number, since it is larger than the sum of its proper divisors (56611083395).

256927223005 is an equidigital number, since it uses as much as digits as its factorization.

256927223005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870939803.

The product of its (nonzero) digits is 453600, while the sum is 43.

The spelling of 256927223005 in words is "two hundred fifty-six billion, nine hundred twenty-seven million, two hundred twenty-three thousand, five".