83680892 has 12 divisors (see below), whose sum is σ = 151491480. Its totient is φ = 40397616.

The previous prime is 83680879. The next prime is 83680901. The reversal of 83680892 is 29808638.

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, 360578 + ... + 360809.

It is an arithmetic number, because the mean of its divisors is an integer number (12624290).

Almost surely, 2^83680892 is an apocalyptic number.

It is an amenable number.

83680892 is a deficient number, since it is larger than the sum of its proper divisors (67810588).

83680892 is a wasteful number, since it uses less digits than its factorization.

83680892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721420 (or 721418 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 83680892 is about 9147.7260562393. The cubic root of 83680892 is about 437.3966310345.

The spelling of 83680892 in words is "eighty-three million, six hundred eighty thousand, eight hundred ninety-two".