855786473612 has 24 divisors (see below), whose sum is σ = 1801655735040. Its totient is φ = 347462177040.

The previous prime is 855786473573. The next prime is 855786473623. The reversal of 855786473612 is 216374687558.

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, 804310064 + ... + 804311127.

It is an arithmetic number, because the mean of its divisors is an integer number (75068988960).

Almost surely, 2^855786473612 is an apocalyptic number.

It is an amenable number.

855786473612 is an abundant number, since it is smaller than the sum of its proper divisors (945869261428).

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

855786473612 is a wasteful number, since it uses less digits than its factorization.

855786473612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608621221 (or 1608621219 counting only the distinct ones).

The product of its digits is 67737600, while the sum is 62.

The spelling of 855786473612 in words is "eight hundred fifty-five billion, seven hundred eighty-six million, four hundred seventy-three thousand, six hundred twelve".