27066799 has 4 divisors (see below), whose sum is σ = 27186264. Its totient is φ = 26947336.

The previous prime is 27066779. The next prime is 27066817. The reversal of 27066799 is 99766072.

27066799 is nontrivially palindromic in base 7.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27066799 - 2⁹ = 27066287 is a prime.

It is a super-2 number, since 2×27066799² = 1465223216212802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27066709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59392 + ... + 59845.

It is an arithmetic number, because the mean of its divisors is an integer number (6796566).

Almost surely, 2^27066799 is an apocalyptic number.

27066799 is a deficient number, since it is larger than the sum of its proper divisors (119465).

27066799 is a wasteful number, since it uses less digits than its factorization.

27066799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119464.

The product of its (nonzero) digits is 285768, while the sum is 46.

The square root of 27066799 is about 5202.5761887742. The cubic root of 27066799 is about 300.2471999550.

The spelling of 27066799 in words is "twenty-seven million, sixty-six thousand, seven hundred ninety-nine".