850189100 has 36 divisors (see below), whose sum is σ = 1861860000. Its totient is φ = 336951360.

The previous prime is 850189049. The next prime is 850189103. The reversal of 850189100 is 1981058.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (850189103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28100 + ... + 49899.

Almost surely, 2^850189100 is an apocalyptic number.

It is an amenable number.

850189100 is an abundant number, since it is smaller than the sum of its proper divisors (1011670900).

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

850189100 is a wasteful number, since it uses less digits than its factorization.

850189100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78122 (or 78115 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 32.

The square root of 850189100 is about 29158.0023321215. The cubic root of 850189100 is about 947.3384784179.

The spelling of 850189100 in words is "eight hundred fifty million, one hundred eighty-nine thousand, one hundred".