256016877 has 8 divisors (see below), whose sum is σ = 341477760. Its totient is φ = 170616960.

The previous prime is 256016869. The next prime is 256016897. The reversal of 256016877 is 778610652.

256016877 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 256016877 - 2³ = 256016869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256016897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4324 + ... + 23037.

It is an arithmetic number, because the mean of its divisors is an integer number (42684720).

Almost surely, 2^256016877 is an apocalyptic number.

It is an amenable number.

256016877 is a deficient number, since it is larger than the sum of its proper divisors (85460883).

256016877 is a wasteful number, since it uses less digits than its factorization.

256016877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30483.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 256016877 is about 16000.5273975579. The cubic root of 256016877 is about 634.9743739013.

The spelling of 256016877 in words is "two hundred fifty-six million, sixteen thousand, eight hundred seventy-seven".