9109106879 has 4 divisors (see below), whose sum is σ = 9121433880. Its totient is φ = 9096779880.

The previous prime is 9109106843. The next prime is 9109106947. The reversal of 9109106879 is 9786019019.

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

It is a cyclic number.

It is not a de Polignac number, because 9109106879 - 2²⁰ = 9108058303 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 (9109103879) 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, 6162392 + ... + 6163869.

It is an arithmetic number, because the mean of its divisors is an integer number (2280358470).

Almost surely, 2^9109106879 is an apocalyptic number.

9109106879 is a deficient number, since it is larger than the sum of its proper divisors (12327001).

9109106879 is a wasteful number, since it uses less digits than its factorization.

9109106879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12327000.

The product of its (nonzero) digits is 244944, while the sum is 50.

The square root of 9109106879 is about 95441.6412212196. The cubic root of 9109106879 is about 2088.4556923641.

The spelling of 9109106879 in words is "nine billion, one hundred nine million, one hundred six thousand, eight hundred seventy-nine".