27147889 has 8 divisors (see below), whose sum is σ = 28671552. Its totient is φ = 25652880.

The previous prime is 27147859. The next prime is 27147917. The reversal of 27147889 is 98874172.

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 27147889 - 2⁷ = 27147761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27147839) 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, 5202 + ... + 9019.

It is an arithmetic number, because the mean of its divisors is an integer number (3583944).

Almost surely, 2^27147889 is an apocalyptic number.

It is an amenable number.

27147889 is a deficient number, since it is larger than the sum of its proper divisors (1523663).

27147889 is a wasteful number, since it uses less digits than its factorization.

27147889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14327.

The product of its digits is 225792, while the sum is 46.

The square root of 27147889 is about 5210.3636149505. The cubic root of 27147889 is about 300.5467400162.

The spelling of 27147889 in words is "twenty-seven million, one hundred forty-seven thousand, eight hundred eighty-nine".