850870000 has 50 divisors (see below), whose sum is σ = 2060065568. Its totient is φ = 340344000.

The previous prime is 850869991. The next prime is 850870039. The reversal of 850870000 is 78058.

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 32544 + ... + 52543.

Almost surely, 2^850870000 is an apocalyptic number.

850870000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

850870000 is an abundant number, since it is smaller than the sum of its proper divisors (1209195568).

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

850870000 is an equidigital number, since it uses as much as digits as its factorization.

850870000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85115 (or 85094 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 850870000 is about 29169.6760352253. The cubic root of 850870000 is about 947.5913126191.

The spelling of 850870000 in words is "eight hundred fifty million, eight hundred seventy thousand".