256016878 has 32 divisors (see below), whose sum is σ = 422472960. Its totient is φ = 115637760.

The previous prime is 256016869. The next prime is 256016897. The reversal of 256016878 is 878610652.

256016878 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 534243 + ... + 534721.

It is an arithmetic number, because the mean of its divisors is an integer number (13202280).

Almost surely, 2^256016878 is an apocalyptic number.

256016878 is a deficient number, since it is larger than the sum of its proper divisors (166456082).

256016878 is a wasteful number, since it uses less digits than its factorization.

256016878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 256016878 is about 16000.5274288068. The cubic root of 256016878 is about 634.9743747280.

The spelling of 256016878 in words is "two hundred fifty-six million, sixteen thousand, eight hundred seventy-eight".