850994985 has 8 divisors (see below), whose sum is σ = 1361592000. Its totient is φ = 453863984.

The previous prime is 850994941. The next prime is 850994999. The reversal of 850994985 is 589499058.

850994985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 850994985 - 2¹⁰ = 850993961 is a prime.

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, 28366485 + ... + 28366514.

It is an arithmetic number, because the mean of its divisors is an integer number (170199000).

Almost surely, 2^850994985 is an apocalyptic number.

It is an amenable number.

850994985 is a deficient number, since it is larger than the sum of its proper divisors (510597015).

850994985 is a wasteful number, since it uses less digits than its factorization.

850994985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56733007.

The product of its (nonzero) digits is 4665600, while the sum is 57.

The square root of 850994985 is about 29171.8183355100. The cubic root of 850994985 is about 947.6377078388.

The spelling of 850994985 in words is "eight hundred fifty million, nine hundred ninety-four thousand, nine hundred eighty-five".