83712112 has 20 divisors (see below), whose sum is σ = 176937336. Its totient is φ = 38050880.

The previous prime is 83712107. The next prime is 83712137. The reversal of 83712112 is 21121738.

It is a happy number.

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, 237643 + ... + 237994.

Almost surely, 2^83712112 is an apocalyptic number.

It is an amenable number.

83712112 is an abundant number, since it is smaller than the sum of its proper divisors (93225224).

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

83712112 is a wasteful number, since it uses less digits than its factorization.

83712112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475656 (or 475650 counting only the distinct ones).

The product of its digits is 672, while the sum is 25.

The square root of 83712112 is about 9149.4323321177. The cubic root of 83712112 is about 437.4510194962.

The spelling of 83712112 in words is "eighty-three million, seven hundred twelve thousand, one hundred twelve".