83909912 has 16 divisors (see below), whose sum is σ = 159100200. Its totient is φ = 41483200.

The previous prime is 83909893. The next prime is 83909921. The reversal of 83909912 is 21990938.

It is a self number, because there is not a number n which added to its sum of digits gives 83909912.

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, 58214 + ... + 59637.

Almost surely, 2^83909912 is an apocalyptic number.

It is an amenable number.

83909912 is a deficient number, since it is larger than the sum of its proper divisors (75190288).

83909912 is a wasteful number, since it uses less digits than its factorization.

83909912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117946 (or 117942 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 83909912 is about 9160.2353681551. The cubic root of 83909912 is about 437.7952936515.

The spelling of 83909912 in words is "eighty-three million, nine hundred nine thousand, nine hundred twelve".