27364819 has 2 divisors, whose sum is σ = 27364820. Its totient is φ = 27364818.

The previous prime is 27364811. The next prime is 27364823. The reversal of 27364819 is 91846372.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27364819 - 2³ = 27364811 is a prime.

It is a super-2 number, since 2×27364819² = 1497666637805522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27364811) 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 as a sum of consecutive naturals, namely, 13682409 + 13682410.

It is an arithmetic number, because the mean of its divisors is an integer number (13682410).

Almost surely, 2^27364819 is an apocalyptic number.

27364819 is a deficient number, since it is larger than the sum of its proper divisors (1).

27364819 is an equidigital number, since it uses as much as digits as its factorization.

27364819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 40.

The square root of 27364819 is about 5231.1393596424. The cubic root of 27364819 is about 301.3451411183.

The spelling of 27364819 in words is "twenty-seven million, three hundred sixty-four thousand, eight hundred nineteen".