27428411 has 2 divisors, whose sum is σ = 27428412. Its totient is φ = 27428410.

The previous prime is 27428383. The next prime is 27428413. The reversal of 27428411 is 11482472.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27428411 - 2⁶ = 27428347 is a prime.

Together with 27428413, 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 (27428413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13714205 + 13714206.

It is an arithmetic number, because the mean of its divisors is an integer number (13714206).

Almost surely, 2^27428411 is an apocalyptic number.

27428411 is a deficient number, since it is larger than the sum of its proper divisors (1).

27428411 is an equidigital number, since it uses as much as digits as its factorization.

27428411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3584, while the sum is 29.

The square root of 27428411 is about 5237.2140494733. The cubic root of 27428411 is about 301.5783884762.

The spelling of 27428411 in words is "twenty-seven million, four hundred twenty-eight thousand, four hundred eleven".