99796816 has 80 divisors (see below), whose sum is σ = 242841600. Its totient is φ = 38738304.

The previous prime is 99796811. The next prime is 99796841. The reversal of 99796816 is 61869799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99796811) 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, 47925 + ... + 49963.

It is an arithmetic number, because the mean of its divisors is an integer number (3035520).

Almost surely, 2^99796816 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 99796816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121420800).

99796816 is an abundant number, since it is smaller than the sum of its proper divisors (143044784).

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

99796816 is a wasteful number, since it uses less digits than its factorization.

99796816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096 (or 2090 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 55.

The square root of 99796816 is about 9989.8356342835. The cubic root of 99796816 is about 463.8443046786.

The spelling of 99796816 in words is "ninety-nine million, seven hundred ninety-six thousand, eight hundred sixteen".