27116005 has 16 divisors (see below), whose sum is σ = 38194560. Its totient is φ = 18090432.

The previous prime is 27115997. The next prime is 27116029. The reversal of 27116005 is 50061172.

It is a cyclic number.

It is not a de Polignac number, because 27116005 - 2³ = 27115997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9175 + ... + 11764.

It is an arithmetic number, because the mean of its divisors is an integer number (2387160).

Almost surely, 2^27116005 is an apocalyptic number.

It is an amenable number.

27116005 is a deficient number, since it is larger than the sum of its proper divisors (11078555).

27116005 is a wasteful number, since it uses less digits than its factorization.

27116005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20988.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 27116005 is about 5207.3030447632. The cubic root of 27116005 is about 300.4290342876.

Adding to 27116005 its reverse (50061172), we get a palindrome (77177177).

The spelling of 27116005 in words is "twenty-seven million, one hundred sixteen thousand, five".