27399719 has 2 divisors, whose sum is σ = 27399720. Its totient is φ = 27399718.

The previous prime is 27399689. The next prime is 27399727. The reversal of 27399719 is 91799372.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27399719 - 2¹² = 27395623 is a prime.

It is a super-2 number, since 2×27399719² = 1501489202557922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27399419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13699859 + 13699860.

It is an arithmetic number, because the mean of its divisors is an integer number (13699860).

Almost surely, 2^27399719 is an apocalyptic number.

27399719 is a deficient number, since it is larger than the sum of its proper divisors (1).

27399719 is an equidigital number, since it uses as much as digits as its factorization.

27399719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 214326, while the sum is 47.

The square root of 27399719 is about 5234.4740901069. The cubic root of 27399719 is about 301.4731945583.

The spelling of 27399719 in words is "twenty-seven million, three hundred ninety-nine thousand, seven hundred nineteen".