850944668 has 48 divisors (see below), whose sum is σ = 1799712768. Its totient is φ = 344304000.

The previous prime is 850944631. The next prime is 850944671. The reversal of 850944668 is 866449058.

It is a happy number.

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, 23633 + ... + 47543.

It is an arithmetic number, because the mean of its divisors is an integer number (37494016).

Almost surely, 2^850944668 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 850944668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (899856384).

850944668 is an abundant number, since it is smaller than the sum of its proper divisors (948768100).

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

850944668 is a wasteful number, since it uses less digits than its factorization.

850944668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23994 (or 23992 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 50.

The square root of 850944668 is about 29170.9558979475. The cubic root of 850944668 is about 947.6190303976.

The spelling of 850944668 in words is "eight hundred fifty million, nine hundred forty-four thousand, six hundred sixty-eight".