852865656 has 32 divisors (see below), whose sum is σ = 2257586640. Its totient is φ = 267565568.

The previous prime is 852865627. The next prime is 852865661. The reversal of 852865656 is 656568258.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 852865599 and 852865608.

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, 1044771 + ... + 1045586.

Almost surely, 2^852865656 is an apocalyptic number.

It is an amenable number.

852865656 is an abundant number, since it is smaller than the sum of its proper divisors (1404720984).

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

852865656 is a wasteful number, since it uses less digits than its factorization.

852865656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090383 (or 2090379 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 51.

The square root of 852865656 is about 29203.8637169810. The cubic root of 852865656 is about 948.3315705345.

The spelling of 852865656 in words is "eight hundred fifty-two million, eight hundred sixty-five thousand, six hundred fifty-six".