850865472 has 112 divisors (see below), whose sum is σ = 2532684800. Its totient is φ = 283575168.

The previous prime is 850865461. The next prime is 850865503. The reversal of 850865472 is 274568058.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136929 + ... + 143007.

Almost surely, 2^850865472 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 850865472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1266342400).

850865472 is an abundant number, since it is smaller than the sum of its proper divisors (1681819328).

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

850865472 is an frugal number, since it uses more digits than its factorization.

850865472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6112 (or 6084 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The square root of 850865472 is about 29169.5984202731. The cubic root of 850865472 is about 947.5896317117.

The spelling of 850865472 in words is "eight hundred fifty million, eight hundred sixty-five thousand, four hundred seventy-two".