109427879 has 8 divisors (see below), whose sum is σ = 119899920. Its totient is φ = 99043200.

The previous prime is 109427873. The next prime is 109427887. The reversal of 109427879 is 978724901.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109427879 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 (109427873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19202 + ... + 24239.

It is an arithmetic number, because the mean of its divisors is an integer number (14987490).

Almost surely, 2^109427879 is an apocalyptic number.

109427879 is a deficient number, since it is larger than the sum of its proper divisors (10472041).

109427879 is a wasteful number, since it uses less digits than its factorization.

109427879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43681.

The product of its (nonzero) digits is 254016, while the sum is 47.

The square root of 109427879 is about 10460.7781259331. The cubic root of 109427879 is about 478.3098529052.

The spelling of 109427879 in words is "one hundred nine million, four hundred twenty-seven thousand, eight hundred seventy-nine".