27842459 has 2 divisors, whose sum is σ = 27842460. Its totient is φ = 27842458.

The previous prime is 27842417. The next prime is 27842473. The reversal of 27842459 is 95424872.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27842459 - 2⁸ = 27842203 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27847459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13921229 + 13921230.

It is an arithmetic number, because the mean of its divisors is an integer number (13921230).

Almost surely, 2^27842459 is an apocalyptic number.

27842459 is a deficient number, since it is larger than the sum of its proper divisors (1).

27842459 is an equidigital number, since it uses as much as digits as its factorization.

27842459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 41.

The square root of 27842459 is about 5276.5953985501. The cubic root of 27842459 is about 303.0883170829.

The spelling of 27842459 in words is "twenty-seven million, eight hundred forty-two thousand, four hundred fifty-nine".