83816208 has 100 divisors (see below), whose sum is σ = 277273920. Its totient is φ = 23944896.

The previous prime is 83816197. The next prime is 83816221. The reversal of 83816208 is 80261838.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4453 + ... + 13691.

Almost surely, 2^83816208 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 83816208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138636960).

83816208 is an abundant number, since it is smaller than the sum of its proper divisors (193457712).

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

83816208 is a wasteful number, since it uses less digits than its factorization.

83816208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9266 (or 9251 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 83816208 is about 9155.1192236912. The cubic root of 83816208 is about 437.6322678174.

The spelling of 83816208 in words is "eighty-three million, eight hundred sixteen thousand, two hundred eight".