99108080 has 40 divisors (see below), whose sum is σ = 238377600. Its totient is φ = 38275328.

The previous prime is 99108043. The next prime is 99108137. The reversal of 99108080 is 8080199.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 99108080.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19040 + ... + 23679.

It is an arithmetic number, because the mean of its divisors is an integer number (5959440).

Almost surely, 2^99108080 is an apocalyptic number.

It is an amenable number.

99108080 is an abundant number, since it is smaller than the sum of its proper divisors (139269520).

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

99108080 is a wasteful number, since it uses less digits than its factorization.

99108080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42761 (or 42755 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 99108080 is about 9955.3041138882. The cubic root of 99108080 is about 462.7747848472.

The spelling of 99108080 in words is "ninety-nine million, one hundred eight thousand, eighty".