850002856 has 32 divisors (see below), whose sum is σ = 1695133440. Its totient is φ = 398193408.

The previous prime is 850002851. The next prime is 850002859. The reversal of 850002856 is 658200058.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (850002851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16315 + ... + 44341.

It is an arithmetic number, because the mean of its divisors is an integer number (52972920).

Almost surely, 2^850002856 is an apocalyptic number.

It is an amenable number.

850002856 is a deficient number, since it is larger than the sum of its proper divisors (845130584).

850002856 is a wasteful number, since it uses less digits than its factorization.

850002856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28273 (or 28269 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 850002856 is about 29154.8084541813. The cubic root of 850002856 is about 947.2692981251.

The spelling of 850002856 in words is "eight hundred fifty million, two thousand, eight hundred fifty-six".