256074077 has 32 divisors (see below), whose sum is σ = 335105280. Its totient is φ = 190356480.

The previous prime is 256074053. The next prime is 256074097. The reversal of 256074077 is 770470652.

It is not a de Polignac number, because 256074077 - 2⁸ = 256073821 is a prime.

It is a super-2 number, since 2×256074077² = 131147865822803858, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 256074077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256074017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82127 + ... + 85187.

It is an arithmetic number, because the mean of its divisors is an integer number (10472040).

Almost surely, 2^256074077 is an apocalyptic number.

It is an amenable number.

256074077 is a deficient number, since it is larger than the sum of its proper divisors (79031203).

256074077 is a wasteful number, since it uses less digits than its factorization.

256074077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141.

The product of its (nonzero) digits is 82320, while the sum is 38.

The square root of 256074077 is about 16002.3147388120. The cubic root of 256074077 is about 635.0216596245.

The spelling of 256074077 in words is "two hundred fifty-six million, seventy-four thousand, seventy-seven".