850561996 has 24 divisors (see below), whose sum is σ = 1541161440. Its totient is φ = 410256000.

The previous prime is 850561993. The next prime is 850562029. The reversal of 850561996 is 699165058.

850561996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (850561993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169321 + ... + 174271.

It is an arithmetic number, because the mean of its divisors is an integer number (64215060).

Almost surely, 2^850561996 is an apocalyptic number.

It is an amenable number.

850561996 is a deficient number, since it is larger than the sum of its proper divisors (690599444).

850561996 is a wasteful number, since it uses less digits than its factorization.

850561996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6465 (or 6463 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 49.

The square root of 850561996 is about 29164.3960335200. The cubic root of 850561996 is about 947.4769601961.

The spelling of 850561996 in words is "eight hundred fifty million, five hundred sixty-one thousand, nine hundred ninety-six".