855261996 has 24 divisors (see below), whose sum is σ = 2009972160. Its totient is φ = 283035792.

The previous prime is 855261977. The next prime is 855262043. The reversal of 855261996 is 699162558.

855261996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254706 + ... + 258041.

It is an arithmetic number, because the mean of its divisors is an integer number (83748840).

Almost surely, 2^855261996 is an apocalyptic number.

It is an amenable number.

855261996 is an abundant number, since it is smaller than the sum of its proper divisors (1154710164).

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

855261996 is a wasteful number, since it uses less digits than its factorization.

855261996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512893 (or 512891 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 51.

The square root of 855261996 is about 29244.8627283494. The cubic root of 855261996 is about 949.2189317762.

The spelling of 855261996 in words is "eight hundred fifty-five million, two hundred sixty-one thousand, nine hundred ninety-six".