111679427 has 8 divisors (see below), whose sum is σ = 114073920. Its totient is φ = 109295680.

The previous prime is 111679333. The next prime is 111679433. The reversal of 111679427 is 724976111.

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 111679427 - 2²² = 107485123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111679487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20399 + ... + 25287.

It is an arithmetic number, because the mean of its divisors is an integer number (14259240).

Almost surely, 2^111679427 is an apocalyptic number.

111679427 is a deficient number, since it is larger than the sum of its proper divisors (2394493).

111679427 is an equidigital number, since it uses as much as digits as its factorization.

111679427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5373.

The product of its digits is 21168, while the sum is 38.

The square root of 111679427 is about 10567.8487404012. The cubic root of 111679427 is about 481.5681166071.

The spelling of 111679427 in words is "one hundred eleven million, six hundred seventy-nine thousand, four hundred twenty-seven".