855685348686 has 48 divisors (see below), whose sum is σ = 2191903365600. Its totient is φ = 236051129664.

The previous prime is 855685348669. The next prime is 855685348711. The reversal of 855685348686 is 686843586558.

It is a happy number.

855685348686 is a `hidden beast` number, since 8 + 5 + 5 + 6 + 8 + 534 + 8 + 6 + 86 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117085201 + ... + 117092508.

It is an arithmetic number, because the mean of its divisors is an integer number (45664653450).

Almost surely, 2^855685348686 is an apocalyptic number.

855685348686 is an abundant number, since it is smaller than the sum of its proper divisors (1336218016914).

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

855685348686 is a wasteful number, since it uses less digits than its factorization.

855685348686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234177753 (or 234177750 counting only the distinct ones).

The product of its digits is 1327104000, while the sum is 72.

The spelling of 855685348686 in words is "eight hundred fifty-five billion, six hundred eighty-five million, three hundred forty-eight thousand, six hundred eighty-six".