83885685 has 24 divisors (see below), whose sum is σ = 145340064. Its totient is φ = 41296320.

The previous prime is 83885671. The next prime is 83885707. The reversal of 83885685 is 58658838.

It is not a de Polignac number, because 83885685 - 2⁵ = 83885653 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14011 + ... + 19080.

It is an arithmetic number, because the mean of its divisors is an integer number (6055836).

Almost surely, 2^83885685 is an apocalyptic number.

It is an amenable number.

83885685 is a deficient number, since it is larger than the sum of its proper divisors (61454379).

83885685 is a wasteful number, since it uses less digits than its factorization.

83885685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33125 (or 33112 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 51.

The square root of 83885685 is about 9158.9128721699. The cubic root of 83885685 is about 437.7531552545.

The spelling of 83885685 in words is "eighty-three million, eight hundred eighty-five thousand, six hundred eighty-five".