256347000607 has 8 divisors (see below), whose sum is σ = 257524292736. Its totient is φ = 255170130072.

The previous prime is 256347000587. The next prime is 256347000631. The reversal of 256347000607 is 706000743652.

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 256347000607 - 2²⁷ = 256212782879 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 256347000607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256347000307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1147558 + ... + 1352620.

It is an arithmetic number, because the mean of its divisors is an integer number (32190536592).

Almost surely, 2^256347000607 is an apocalyptic number.

256347000607 is a deficient number, since it is larger than the sum of its proper divisors (1177292129).

256347000607 is a wasteful number, since it uses less digits than its factorization.

256347000607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210797.

The product of its (nonzero) digits is 211680, while the sum is 40.

The spelling of 256347000607 in words is "two hundred fifty-six billion, three hundred forty-seven million, six hundred seven", and thus it is an aban number.