256779076 has 12 divisors (see below), whose sum is σ = 463859200. Its totient is φ = 124247880.

The previous prime is 256779071. The next prime is 256779077. The reversal of 256779076 is 670977652.

It is a happy number.

256779076 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (256779071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1035276 + ... + 1035523.

Almost surely, 2^256779076 is an apocalyptic number.

It is an amenable number.

256779076 is a deficient number, since it is larger than the sum of its proper divisors (207080124).

256779076 is a wasteful number, since it uses less digits than its factorization.

256779076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070834 (or 2070832 counting only the distinct ones).

The product of its (nonzero) digits is 1111320, while the sum is 49.

The square root of 256779076 is about 16024.3276302003. The cubic root of 256779076 is about 635.6038862232.

The spelling of 256779076 in words is "two hundred fifty-six million, seven hundred seventy-nine thousand, seventy-six".