83937816 has 64 divisors (see below), whose sum is σ = 236160000. Its totient is φ = 27619488.

The previous prime is 83937797. The next prime is 83937829. The reversal of 83937816 is 61873938.

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 15 ways as a sum of consecutive naturals, for example, 14605 + ... + 19523.

It is an arithmetic number, because the mean of its divisors is an integer number (3690000).

Almost surely, 2^83937816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83937816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118080000).

83937816 is an abundant number, since it is smaller than the sum of its proper divisors (152222184).

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

83937816 is a wasteful number, since it uses less digits than its factorization.

83937816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5013 (or 5003 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 83937816 is about 9161.7583465184. The cubic root of 83937816 is about 437.8438174618.

The spelling of 83937816 in words is "eighty-three million, nine hundred thirty-seven thousand, eight hundred sixteen".