99299980 has 48 divisors (see below), whose sum is σ = 225298080. Its totient is φ = 36546048.

The previous prime is 99299957. The next prime is 99299983. The reversal of 99299980 is 8999299.

It is not an unprimeable number, because it can be changed into a prime (99299983) 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, 160111 + ... + 160729.

It is an arithmetic number, because the mean of its divisors is an integer number (4693710).

Almost surely, 2^99299980 is an apocalyptic number.

It is an amenable number.

99299980 is an abundant number, since it is smaller than the sum of its proper divisors (125998100).

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

99299980 is a wasteful number, since it uses less digits than its factorization.

99299980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258 (or 1256 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 55.

The square root of 99299980 is about 9964.9375311640. The cubic root of 99299980 is about 463.0732779167.

The spelling of 99299980 in words is "ninety-nine million, two hundred ninety-nine thousand, nine hundred eighty".