9999000829 has 32 divisors (see below), whose sum is σ = 10784721024. Its totient is φ = 9255966720.

The previous prime is 9999000827. The next prime is 9999000833. The reversal of 9999000829 is 9280009999.

It is not a de Polignac number, because 9999000829 - 2¹ = 9999000827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9999000829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9999000827) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10558134 + ... + 10559080.

It is an arithmetic number, because the mean of its divisors is an integer number (337022532).

Almost surely, 2^9999000829 is an apocalyptic number.

It is an amenable number.

9999000829 is a deficient number, since it is larger than the sum of its proper divisors (785720195).

9999000829 is a wasteful number, since it uses less digits than its factorization.

9999000829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197.

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

The square root of 9999000829 is about 99995.0040202009. The cubic root of 9999000829 is about 2154.3629326864.

The spelling of 9999000829 in words is "nine billion, nine hundred ninety-nine million, eight hundred twenty-nine", and thus it is an aban number.