850978224 has 60 divisors (see below), whose sum is σ = 2469774216. Its totient is φ = 283658112.

The previous prime is 850978171. The next prime is 850978273. The reversal of 850978224 is 422879058.

850978224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 850978224.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105549 + ... + 113324.

Almost surely, 2^850978224 is an apocalyptic number.

It is an amenable number.

850978224 is an abundant number, since it is smaller than the sum of its proper divisors (1618795992).

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

850978224 is a wasteful number, since it uses less digits than its factorization.

850978224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218896 (or 218878 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 850978224 is about 29171.5310534089. The cubic root of 850978224 is about 947.6314863137.

The spelling of 850978224 in words is "eight hundred fifty million, nine hundred seventy-eight thousand, two hundred twenty-four".