99000099 has 24 divisors (see below), whose sum is σ = 157560624. Its totient is φ = 59400000.

The previous prime is 99000079. The next prime is 99000101.

99000099 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 99000099 - 2⁹ = 98999587 is a prime.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (99000029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5049 + ... + 14949.

It is an arithmetic number, because the mean of its divisors is an integer number (6565026).

Almost surely, 2^99000099 is an apocalyptic number.

99000099 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

99000099 is a deficient number, since it is larger than the sum of its proper divisors (58560525).

99000099 is a wasteful number, since it uses less digits than its factorization.

99000099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10019 (or 10016 counting only the distinct ones).

The product of its (nonzero) digits is 6561, while the sum is 36.

The square root of 99000099 is about 9949.8793460021. The cubic root of 99000099 is about 462.6066551204.

It can be divided in two parts, 990000 and 99, that multiplied together give a square (98010000 = 9900²).

The spelling of 99000099 in words is "ninety-nine million, ninety-nine", and thus it is an aban number and an uban number.