85850118 has 20 divisors (see below), whose sum is σ = 192368220. Its totient is φ = 28616652.

The previous prime is 85850111. The next prime is 85850131. The reversal of 85850118 is 81105858.

It is a super-2 number, since 2×85850118² = 14740485521227848, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85850111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 264808 + ... + 265131.

It is an arithmetic number, because the mean of its divisors is an integer number (9618411).

Almost surely, 2^85850118 is an apocalyptic number.

85850118 is an abundant number, since it is smaller than the sum of its proper divisors (106518102).

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

85850118 is a wasteful number, since it uses less digits than its factorization.

85850118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529953 (or 529944 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 36.

The square root of 85850118 is about 9265.5338756059. The cubic root of 85850118 is about 441.1439208174.

The spelling of 85850118 in words is "eighty-five million, eight hundred fifty thousand, one hundred eighteen".