855377828256 has 96 divisors (see below), whose sum is σ = 2574332627328. Its totient is φ = 243612794880.

The previous prime is 855377828237. The next prime is 855377828273. The reversal of 855377828256 is 652828773558.

855377828256 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

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, 1823025 + ... + 2243696.

It is an arithmetic number, because the mean of its divisors is an integer number (26815964868).

Almost surely, 2^855377828256 is an apocalyptic number.

It is an amenable number.

855377828256 is an abundant number, since it is smaller than the sum of its proper divisors (1718954799072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

855377828256 is a wasteful number, since it uses less digits than its factorization.

855377828256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4067054 (or 4067046 counting only the distinct ones).

The product of its digits is 225792000, while the sum is 66.

The spelling of 855377828256 in words is "eight hundred fifty-five billion, three hundred seventy-seven million, eight hundred twenty-eight thousand, two hundred fifty-six".