256768794 has 12 divisors (see below), whose sum is σ = 556332426. Its totient is φ = 85589592.

The previous prime is 256768783. The next prime is 256768801. The reversal of 256768794 is 497867652.

256768794 is a `hidden beast` number, since 2 + 567 + 6 + 8 + 79 + 4 = 666.

256768794 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 192848769 + 63920025 = 13887^2 + 7995^2 .

It is a super-3 number, since 3×256768794³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 256768794.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7132449 + ... + 7132484.

Almost surely, 2^256768794 is an apocalyptic number.

256768794 is an abundant number, since it is smaller than the sum of its proper divisors (299563632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

256768794 is a wasteful number, since it uses less digits than its factorization.

256768794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14264941 (or 14264938 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The square root of 256768794 is about 16024.0068022951. The cubic root of 256768794 is about 635.5954024500.

The spelling of 256768794 in words is "two hundred fifty-six million, seven hundred sixty-eight thousand, seven hundred ninety-four".