27655343 has 2 divisors, whose sum is σ = 27655344. Its totient is φ = 27655342.

The previous prime is 27655333. The next prime is 27655349. The reversal of 27655343 is 34355672.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27655343 - 2¹⁸ = 27393199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27655349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13827671 + 13827672.

It is an arithmetic number, because the mean of its divisors is an integer number (13827672).

Almost surely, 2^27655343 is an apocalyptic number.

27655343 is a deficient number, since it is larger than the sum of its proper divisors (1).

27655343 is an equidigital number, since it uses as much as digits as its factorization.

27655343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 35.

The square root of 27655343 is about 5258.8347568639. The cubic root of 27655343 is about 302.4078192819.

The spelling of 27655343 in words is "twenty-seven million, six hundred fifty-five thousand, three hundred forty-three".