850014172 has 144 divisors (see below), whose sum is σ = 1940736000. Its totient is φ = 323326080.

The previous prime is 850014163. The next prime is 850014241. The reversal of 850014172 is 271410058.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 850014172.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4271329 + ... + 4271527.

Almost surely, 2^850014172 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 850014172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (970368000).

850014172 is an abundant number, since it is smaller than the sum of its proper divisors (1090721828).

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

850014172 is a wasteful number, since it uses less digits than its factorization.

850014172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304 (or 295 counting only the distinct ones).

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

The square root of 850014172 is about 29155.0025210083. The cubic root of 850014172 is about 947.2735017392.

The spelling of 850014172 in words is "eight hundred fifty million, fourteen thousand, one hundred seventy-two".