256848579 has 12 divisors (see below), whose sum is σ = 399542416. Its totient is φ = 158060592.

The previous prime is 256848541. The next prime is 256848583. The reversal of 256848579 is 975848652.

256848579 is a `hidden beast` number, since 2 + 5 + 68 + 4 + 8 + 579 = 666.

It is not a de Polignac number, because 256848579 - 2⁷ = 256848451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (256848539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1097527 + ... + 1097760.

Almost surely, 2^256848579 is an apocalyptic number.

256848579 is a deficient number, since it is larger than the sum of its proper divisors (142693837).

256848579 is a wasteful number, since it uses less digits than its factorization.

256848579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195306 (or 2195303 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The square root of 256848579 is about 16026.4961548056. The cubic root of 256848579 is about 635.6612278525.

The spelling of 256848579 in words is "two hundred fifty-six million, eight hundred forty-eight thousand, five hundred seventy-nine".