27299939 has 2 divisors, whose sum is σ = 27299940. Its totient is φ = 27299938.

The previous prime is 27299927. The next prime is 27299947. The reversal of 27299939 is 93999272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27299939 - 2⁸ = 27299683 is a prime.

It is not a weakly prime, because it can be changed into another prime (27299989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13649969 + 13649970.

It is an arithmetic number, because the mean of its divisors is an integer number (13649970).

Almost surely, 2^27299939 is an apocalyptic number.

27299939 is a deficient number, since it is larger than the sum of its proper divisors (1).

27299939 is an equidigital number, since it uses as much as digits as its factorization.

27299939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 551124, while the sum is 50.

The square root of 27299939 is about 5224.9343536546. The cubic root of 27299939 is about 301.1067968328.

The spelling of 27299939 in words is "twenty-seven million, two hundred ninety-nine thousand, nine hundred thirty-nine".