27828347 has 2 divisors, whose sum is σ = 27828348. Its totient is φ = 27828346.

The previous prime is 27828341. The next prime is 27828349. The reversal of 27828347 is 74382872.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27828347 - 2¹⁰ = 27827323 is a prime.

Together with 27828349, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27828341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13914173 + 13914174.

It is an arithmetic number, because the mean of its divisors is an integer number (13914174).

Almost surely, 2^27828347 is an apocalyptic number.

27828347 is a deficient number, since it is larger than the sum of its proper divisors (1).

27828347 is an equidigital number, since it uses as much as digits as its factorization.

27828347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 150528, while the sum is 41.

The square root of 27828347 is about 5275.2580031691. The cubic root of 27828347 is about 303.0371014777.

The spelling of 27828347 in words is "twenty-seven million, eight hundred twenty-eight thousand, three hundred forty-seven".