850595856 has 160 divisors (see below), whose sum is σ = 2497744896. Its totient is φ = 247104000.

The previous prime is 850595831. The next prime is 850595903. The reversal of 850595856 is 658595058.

It is a junction number, because it is equal to n+sod(n) for n = 850595799 and 850595808.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2569611 + ... + 2569941.

Almost surely, 2^850595856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 850595856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1248872448).

850595856 is an abundant number, since it is smaller than the sum of its proper divisors (1647149040).

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

850595856 is a wasteful number, since it uses less digits than its factorization.

850595856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541 (or 535 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 51.

The square root of 850595856 is about 29164.9765300780. The cubic root of 850595856 is about 947.4895327243.

The spelling of 850595856 in words is "eight hundred fifty million, five hundred ninety-five thousand, eight hundred fifty-six".