855886444 has 12 divisors (see below), whose sum is σ = 1711772944. Its totient is φ = 366808464.

The previous prime is 855886433. The next prime is 855886457. The reversal of 855886444 is 444688558.

It is a happy number.

855886444 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 855886391 and 855886400.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15283659 + ... + 15283714.

Almost surely, 2^855886444 is an apocalyptic number.

It is an amenable number.

855886444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

855886444 is a wasteful number, since it uses less digits than its factorization.

855886444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30567384 (or 30567382 counting only the distinct ones).

The product of its digits is 4915200, while the sum is 52.

The square root of 855886444 is about 29255.5369802026. The cubic root of 855886444 is about 949.4498916720.

The spelling of 855886444 in words is "eight hundred fifty-five million, eight hundred eighty-six thousand, four hundred forty-four".