850568850 has 120 divisors (see below), whose sum is σ = 2387436480. Its totient is φ = 224506080.

The previous prime is 850568843. The next prime is 850568861. The reversal of 850568850 is 58865058.

850568850 is a `hidden beast` number, since 8 + 5 + 0 + 568 + 85 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 850568796 and 850568805.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 416131 + ... + 418169.

It is an arithmetic number, because the mean of its divisors is an integer number (19895304).

Almost surely, 2^850568850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 850568850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1193718240).

850568850 is an abundant number, since it is smaller than the sum of its proper divisors (1536867630).

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

850568850 is a wasteful number, since it uses less digits than its factorization.

850568850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166 (or 2152 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 45.

The square root of 850568850 is about 29164.5135395741. The cubic root of 850568850 is about 947.4795051760.

The spelling of 850568850 in words is "eight hundred fifty million, five hundred sixty-eight thousand, eight hundred fifty".