83708616 has 64 divisors (see below), whose sum is σ = 221601600. Its totient is φ = 26304768.

The previous prime is 83708591. The next prime is 83708617. The reversal of 83708616 is 61680738.

It is not an unprimeable number, because it can be changed into a prime (83708617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28530 + ... + 31326.

It is an arithmetic number, because the mean of its divisors is an integer number (3462525).

Almost surely, 2^83708616 is an apocalyptic number.

83708616 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83708616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110800800).

83708616 is an abundant number, since it is smaller than the sum of its proper divisors (137892984).

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

83708616 is a wasteful number, since it uses less digits than its factorization.

83708616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2878 (or 2874 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 83708616 is about 9149.2412800188. The cubic root of 83708616 is about 437.4449297758. Note that the first 3 decimals are identical.

The spelling of 83708616 in words is "eighty-three million, seven hundred eight thousand, six hundred sixteen".