27479109 has 8 divisors (see below), whose sum is σ = 41872960. Its totient is φ = 15702336.

The previous prime is 27479093. The next prime is 27479119. The reversal of 27479109 is 90197472.

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

It is not a de Polignac number, because 27479109 - 2⁴ = 27479093 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 (27479119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 654244 + ... + 654285.

It is an arithmetic number, because the mean of its divisors is an integer number (5234120).

Almost surely, 2^27479109 is an apocalyptic number.

It is an amenable number.

27479109 is a deficient number, since it is larger than the sum of its proper divisors (14393851).

27479109 is a wasteful number, since it uses less digits than its factorization.

27479109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308539.

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 27479109 is about 5242.0519837178. The cubic root of 27479109 is about 301.7640841357.

The spelling of 27479109 in words is "twenty-seven million, four hundred seventy-nine thousand, one hundred nine".