27118197 has 12 divisors (see below), whose sum is σ = 39559884. Its totient is φ = 17899200.

The previous prime is 27118181. The next prime is 27118199. The reversal of 27118197 is 79181172.

It can be written as a sum of positive squares in 2 ways, for example, as 20196036 + 6922161 = 4494^2 + 2631^2 .

It is not a de Polignac number, because 27118197 - 2⁴ = 27118181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27118199) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14008 + ... + 15825.

It is an arithmetic number, because the mean of its divisors is an integer number (3296657).

Almost surely, 2^27118197 is an apocalyptic number.

It is an amenable number.

27118197 is a deficient number, since it is larger than the sum of its proper divisors (12441687).

27118197 is a wasteful number, since it uses less digits than its factorization.

27118197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29940 (or 29937 counting only the distinct ones).

The product of its digits is 7056, while the sum is 36.

The square root of 27118197 is about 5207.5135141447. The cubic root of 27118197 is about 300.4371294169.

The spelling of 27118197 in words is "twenty-seven million, one hundred eighteen thousand, one hundred ninety-seven".