83206885 has 8 divisors (see below), whose sum is σ = 99904536. Its totient is φ = 66528000.

The previous prime is 83206859. The next prime is 83206913. The reversal of 83206885 is 58860238.

It can be written as a sum of positive squares in 4 ways, for example, as 4334724 + 78872161 = 2082^2 + 8881^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83206885 - 2⁵ = 83206853 is a prime.

It is a super-2 number, since 2×83206885² = 13846771422806450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8385 + ... + 15385.

It is an arithmetic number, because the mean of its divisors is an integer number (12488067).

Almost surely, 2^83206885 is an apocalyptic number.

It is an amenable number.

83206885 is a deficient number, since it is larger than the sum of its proper divisors (16697651).

83206885 is a wasteful number, since it uses less digits than its factorization.

83206885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9383.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 83206885 is about 9121.7808020145. The cubic root of 83206885 is about 436.5691949436.

The spelling of 83206885 in words is "eighty-three million, two hundred six thousand, eight hundred eighty-five".