850512918 has 16 divisors (see below), whose sum is σ = 1707039936. Its totient is φ = 282501960.

The previous prime is 850512917. The next prime is 850512959. The reversal of 850512918 is 819215058.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850512913) 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, 248748 + ... + 252143.

It is an arithmetic number, because the mean of its divisors is an integer number (106689996).

Almost surely, 2^850512918 is an apocalyptic number.

850512918 is an abundant number, since it is smaller than the sum of its proper divisors (856527018).

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

850512918 is a wasteful number, since it uses less digits than its factorization.

850512918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501179.

The product of its (nonzero) digits is 28800, while the sum is 39.

The square root of 850512918 is about 29163.5546187360. The cubic root of 850512918 is about 947.4587364927.

The spelling of 850512918 in words is "eight hundred fifty million, five hundred twelve thousand, nine hundred eighteen".