850565318 has 16 divisors (see below), whose sum is σ = 1351610064. Its totient is φ = 400055040.

The previous prime is 850565281. The next prime is 850565347. The reversal of 850565318 is 813565058.

It is a super-2 number, since 2×850565318² = 1446922720368882248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72653 + ... + 83543.

It is an arithmetic number, because the mean of its divisors is an integer number (84475629).

Almost surely, 2^850565318 is an apocalyptic number.

850565318 is a deficient number, since it is larger than the sum of its proper divisors (501044746).

850565318 is a wasteful number, since it uses less digits than its factorization.

850565318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13207.

The product of its (nonzero) digits is 144000, while the sum is 41.

The square root of 850565318 is about 29164.4529864697. The cubic root of 850565318 is about 947.4781936999.

The spelling of 850565318 in words is "eight hundred fifty million, five hundred sixty-five thousand, three hundred eighteen".