27828799 has 2 divisors, whose sum is σ = 27828800. Its totient is φ = 27828798.

The previous prime is 27828797. The next prime is 27828809. The reversal of 27828799 is 99782872.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27828799 - 2¹ = 27828797 is a prime.

Together with 27828797, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27828797) 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, 13914399 + 13914400.

It is an arithmetic number, because the mean of its divisors is an integer number (13914400).

Almost surely, 2^27828799 is an apocalyptic number.

27828799 is a deficient number, since it is larger than the sum of its proper divisors (1).

27828799 is an equidigital number, since it uses as much as digits as its factorization.

27828799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 52.

The square root of 27828799 is about 5275.3008445017. The cubic root of 27828799 is about 303.0387421552.

The spelling of 27828799 in words is "twenty-seven million, eight hundred twenty-eight thousand, seven hundred ninety-nine".