256882077 has 8 divisors (see below), whose sum is σ = 380566080. Its totient is φ = 171254700.

The previous prime is 256882063. The next prime is 256882079. The reversal of 256882077 is 770288652.

256882077 is a `hidden beast` number, since 2 + 568 + 82 + 0 + 7 + 7 = 666.

It is not a de Polignac number, because 256882077 - 2⁴ = 256882061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256882079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4757049 + ... + 4757102.

It is an arithmetic number, because the mean of its divisors is an integer number (47570760).

Almost surely, 2^256882077 is an apocalyptic number.

256882077 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

256882077 is a deficient number, since it is larger than the sum of its proper divisors (123684003).

256882077 is an equidigital number, since it uses as much as digits as its factorization.

256882077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9514160 (or 9514154 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 256882077 is about 16027.5412025675. The cubic root of 256882077 is about 635.6888608056.

The spelling of 256882077 in words is "two hundred fifty-six million, eight hundred eighty-two thousand, seventy-seven".