99730880 has 28 divisors (see below), whose sum is σ = 237484920. Its totient is φ = 39892224.

The previous prime is 99730879. The next prime is 99730957. The reversal of 99730880 is 8803799.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155510 + ... + 156149.

Almost surely, 2^99730880 is an apocalyptic number.

It is an amenable number.

99730880 is an abundant number, since it is smaller than the sum of its proper divisors (137754040).

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

99730880 is a wasteful number, since it uses less digits than its factorization.

99730880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311676 (or 311666 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 99730880 is about 9986.5349346007. The cubic root of 99730880 is about 463.7421278176.

The spelling of 99730880 in words is "ninety-nine million, seven hundred thirty thousand, eight hundred eighty".