9860009999 has 8 divisors (see below), whose sum is σ = 11327582208. Its totient is φ = 8407187640.

The previous prime is 9860009977. The next prime is 9860010019. The reversal of 9860009999 is 9999000689.

9860009999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9860009999 - 2¹⁶ = 9859944463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9860009959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3686027 + ... + 3688700.

It is an arithmetic number, because the mean of its divisors is an integer number (1415947776).

Almost surely, 2^9860009999 is an apocalyptic number.

9860009999 is a deficient number, since it is larger than the sum of its proper divisors (1467572209).

9860009999 is a wasteful number, since it uses less digits than its factorization.

9860009999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7374925.

The product of its (nonzero) digits is 2834352, while the sum is 59.

The square root of 9860009999 is about 99297.5830471215. The cubic root of 9860009999 is about 2144.3340991672.

The spelling of 9860009999 in words is "nine billion, eight hundred sixty million, nine thousand, nine hundred ninety-nine".