83685976 has 32 divisors (see below), whose sum is σ = 172025280. Its totient is φ = 37850400.

The previous prime is 83685947. The next prime is 83685997. The reversal of 83685976 is 67958638.

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, 16315 + ... + 20821.

It is an arithmetic number, because the mean of its divisors is an integer number (5375790).

Almost surely, 2^83685976 is an apocalyptic number.

It is an amenable number.

83685976 is an abundant number, since it is smaller than the sum of its proper divisors (88339304).

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

83685976 is a wasteful number, since it uses less digits than its factorization.

83685976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4735 (or 4731 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 52.

The square root of 83685976 is about 9148.0039352856. The cubic root of 83685976 is about 437.4054888091.

The spelling of 83685976 in words is "eighty-three million, six hundred eighty-five thousand, nine hundred seventy-six".