27789341 has 2 divisors, whose sum is σ = 27789342. Its totient is φ = 27789340.

The previous prime is 27789319. The next prime is 27789347. The reversal of 27789341 is 14398772.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23483716 + 4305625 = 4846^2 + 2075^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27789341 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27789347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13894670 + 13894671.

It is an arithmetic number, because the mean of its divisors is an integer number (13894671).

Almost surely, 2^27789341 is an apocalyptic number.

It is an amenable number.

27789341 is a deficient number, since it is larger than the sum of its proper divisors (1).

27789341 is an equidigital number, since it uses as much as digits as its factorization.

27789341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 41.

The square root of 27789341 is about 5271.5596363885. The cubic root of 27789341 is about 302.8954498473.

The spelling of 27789341 in words is "twenty-seven million, seven hundred eighty-nine thousand, three hundred forty-one".