818330085 has 24 divisors (see below), whose sum is σ = 1420823040. Its totient is φ = 435709152.

The previous prime is 818330083. The next prime is 818330099. The reversal of 818330085 is 580033818.

It is a happy number.

It is not a de Polignac number, because 818330085 - 2¹ = 818330083 is a prime.

It is a super-2 number, since 2×818330085² = 1339328256032214450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (818330083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12336 + ... + 42294.

It is an arithmetic number, because the mean of its divisors is an integer number (59200960).

Almost surely, 2^818330085 is an apocalyptic number.

It is an amenable number.

818330085 is a deficient number, since it is larger than the sum of its proper divisors (602492955).

818330085 is a wasteful number, since it uses less digits than its factorization.

818330085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30577 (or 30574 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 818330085 is about 28606.4692858102. The cubic root of 818330085 is about 935.3543549006.

The spelling of 818330085 in words is "eight hundred eighteen million, three hundred thirty thousand, eighty-five".