855084472 has 32 divisors (see below), whose sum is σ = 1752865920. Its totient is φ = 387823840.

The previous prime is 855084431. The next prime is 855084497. The reversal of 855084472 is 274480558.

It is a happy number.

It is a congruent number.

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, 30693 + ... + 51499.

It is an arithmetic number, because the mean of its divisors is an integer number (54777060).

Almost surely, 2^855084472 is an apocalyptic number.

It is an amenable number.

855084472 is an abundant number, since it is smaller than the sum of its proper divisors (897781448).

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

855084472 is a wasteful number, since it uses less digits than its factorization.

855084472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21291 (or 21287 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 43.

The square root of 855084472 is about 29241.8274394744. The cubic root of 855084472 is about 949.1532517846.

The spelling of 855084472 in words is "eight hundred fifty-five million, eighty-four thousand, four hundred seventy-two".