99899299899 has 24 divisors (see below), whose sum is σ = 164924847360. Its totient is φ = 57081258288.

The previous prime is 99899299897. The next prime is 99899299921.

99899299899 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 99899299899 - 2¹ = 99899299897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99899299897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 990592 + ... + 1086770.

It is an arithmetic number, because the mean of its divisors is an integer number (6871868640).

Almost surely, 2^99899299899 is an apocalyptic number.

99899299899 is a deficient number, since it is larger than the sum of its proper divisors (65025547461).

99899299899 is a wasteful number, since it uses less digits than its factorization.

99899299899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112679 (or 112676 counting only the distinct ones).

The product of its digits is 5509980288, while the sum is 90.

The spelling of 99899299899 in words is "ninety-nine billion, eight hundred ninety-nine million, two hundred ninety-nine thousand, eight hundred ninety-nine".