27164089 has 4 divisors (see below), whose sum is σ = 27795856. Its totient is φ = 26532324.

The previous prime is 27164083. The next prime is 27164101. The reversal of 27164089 is 98046172.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27164089 - 2⁵ = 27164057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27164083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315819 + ... + 315904.

It is an arithmetic number, because the mean of its divisors is an integer number (6948964).

Almost surely, 2^27164089 is an apocalyptic number.

It is an amenable number.

27164089 is a deficient number, since it is larger than the sum of its proper divisors (631767).

27164089 is an equidigital number, since it uses as much as digits as its factorization.

27164089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631766.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 27164089 is about 5211.9179770983. The cubic root of 27164089 is about 300.6065100293.

The spelling of 27164089 in words is "twenty-seven million, one hundred sixty-four thousand, eighty-nine".