27368819 has 2 divisors, whose sum is σ = 27368820. Its totient is φ = 27368818.

The previous prime is 27368813. The next prime is 27368821. The reversal of 27368819 is 91886372.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27368819 - 2²⁰ = 26320243 is a prime.

It is a super-2 number, since 2×27368819² = 1498104506909522, which contains 22 as substring.

Together with 27368821, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27368819.

It is not a weakly prime, because it can be changed into another prime (27368813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13684409 + 13684410.

It is an arithmetic number, because the mean of its divisors is an integer number (13684410).

Almost surely, 2^27368819 is an apocalyptic number.

27368819 is a deficient number, since it is larger than the sum of its proper divisors (1).

27368819 is an equidigital number, since it uses as much as digits as its factorization.

27368819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 44.

The square root of 27368819 is about 5231.5216715598. The cubic root of 27368819 is about 301.3598232525.

The spelling of 27368819 in words is "twenty-seven million, three hundred sixty-eight thousand, eight hundred nineteen".