850600000 has 84 divisors (see below), whose sum is σ = 2110247748. Its totient is φ = 340160000.

The previous prime is 850599977. The next prime is 850600027. The reversal of 850600000 is 6058.

It can be written as a sum of positive squares in 6 ways, for example, as 816587776 + 34012224 = 28576^2 + 5832^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197874 + ... + 202126.

It is an arithmetic number, because the mean of its divisors is an integer number (25121997).

Almost surely, 2^850600000 is an apocalyptic number.

850600000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 850600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1055123874).

850600000 is an abundant number, since it is smaller than the sum of its proper divisors (1259647748).

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

850600000 is an frugal number, since it uses more digits than its factorization.

850600000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4290 (or 4260 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 850600000 is about 29165.0475741083. The cubic root of 850600000 is about 947.4910714066.

Adding to 850600000 its reverse (6058), we get a palindrome (850606058).

The spelling of 850600000 in words is "eight hundred fifty million, six hundred thousand".