83988108 has 36 divisors (see below), whose sum is σ = 212835168. Its totient is φ = 27925920.

The previous prime is 83988071. The next prime is 83988119. The reversal of 83988108 is 80188938.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12810 + ... + 18222.

It is an arithmetic number, because the mean of its divisors is an integer number (5912088).

Almost surely, 2^83988108 is an apocalyptic number.

It is an amenable number.

83988108 is an abundant number, since it is smaller than the sum of its proper divisors (128847060).

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

83988108 is a wasteful number, since it uses less digits than its factorization.

83988108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5854 (or 5849 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The square root of 83988108 is about 9164.5026051608. The cubic root of 83988108 is about 437.9312458540.

The spelling of 83988108 in words is "eighty-three million, nine hundred eighty-eight thousand, one hundred eight".