818085712 has 20 divisors (see below), whose sum is σ = 1653956640. Its totient is φ = 391258208.

The previous prime is 818085703. The next prime is 818085731. The reversal of 818085712 is 217580818.

818085712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1111162 + ... + 1111897.

It is an arithmetic number, because the mean of its divisors is an integer number (82697832).

Almost surely, 2^818085712 is an apocalyptic number.

It is an amenable number.

818085712 is an abundant number, since it is smaller than the sum of its proper divisors (835870928).

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

818085712 is a wasteful number, since it uses less digits than its factorization.

818085712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223090 (or 2223084 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 40.

The square root of 818085712 is about 28602.1976778009. The cubic root of 818085712 is about 935.2612392128.

The spelling of 818085712 in words is "eight hundred eighteen million, eighty-five thousand, seven hundred twelve".