80808616 has 64 divisors (see below), whose sum is σ = 189734400. Its totient is φ = 31460352.

The previous prime is 80808613. The next prime is 80808617. The reversal of 80808616 is 61680808.

It is not an unprimeable number, because it can be changed into a prime (80808613) 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, 26145 + ... + 29071.

It is an arithmetic number, because the mean of its divisors is an integer number (2964600).

Almost surely, 2^80808616 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 80808616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94867200).

80808616 is an abundant number, since it is smaller than the sum of its proper divisors (108925784).

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

80808616 is a wasteful number, since it uses less digits than its factorization.

80808616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2986 (or 2982 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 80808616 is about 8989.3612676319. The cubic root of 80808616 is about 432.3338326101. Note that the first 3 decimals are identical.

The spelling of 80808616 in words is "eighty million, eight hundred eight thousand, six hundred sixteen".