9993479111 has 32 divisors (see below), whose sum is σ = 12576591360. Its totient is φ = 7714137600.

The previous prime is 9993479057. The next prime is 9993479123. The reversal of 9993479111 is 1119743999.

9993479111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9993479111 - 2¹⁰ = 9993478087 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 (9993475111) 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 31 ways as a sum of consecutive naturals, for example, 8533556 + ... + 8534726.

It is an arithmetic number, because the mean of its divisors is an integer number (393018480).

Almost surely, 2^9993479111 is an apocalyptic number.

9993479111 is a deficient number, since it is larger than the sum of its proper divisors (2583112249).

9993479111 is a wasteful number, since it uses less digits than its factorization.

9993479111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135.

The product of its digits is 551124, while the sum is 53.

The square root of 9993479111 is about 99967.3902380171. The cubic root of 9993479111 is about 2153.9662938894.

The spelling of 9993479111 in words is "nine billion, nine hundred ninety-three million, four hundred seventy-nine thousand, one hundred eleven".