99803830899 has 4 divisors (see below), whose sum is σ = 133071774536. Its totient is φ = 66535887264.

The previous prime is 99803830891. The next prime is 99803830909.

99803830899 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 99803830899 - 2³ = 99803830891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99803830891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16633971814 + ... + 16633971819.

It is an arithmetic number, because the mean of its divisors is an integer number (33267943634).

Almost surely, 2^99803830899 is an apocalyptic number.

99803830899 is a deficient number, since it is larger than the sum of its proper divisors (33267943637).

99803830899 is a wasteful number, since it uses less digits than its factorization.

99803830899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33267943636.

The product of its (nonzero) digits is 30233088, while the sum is 66.

The spelling of 99803830899 in words is "ninety-nine billion, eight hundred three million, eight hundred thirty thousand, eight hundred ninety-nine".