256127541479 has 8 divisors (see below), whose sum is σ = 262098515712. Its totient is φ = 250157227320.

The previous prime is 256127541457. The next prime is 256127541493. The reversal of 256127541479 is 974145721652.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-256127541479 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 256127541479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256127541079) 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, 668594 + ... + 979424.

It is an arithmetic number, because the mean of its divisors is an integer number (32762314464).

Almost surely, 2^256127541479 is an apocalyptic number.

256127541479 is a deficient number, since it is larger than the sum of its proper divisors (5970974233).

256127541479 is a wasteful number, since it uses less digits than its factorization.

256127541479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330037.

The product of its digits is 4233600, while the sum is 53.

The spelling of 256127541479 in words is "two hundred fifty-six billion, one hundred twenty-seven million, five hundred forty-one thousand, four hundred seventy-nine".