27248717863 has 2 divisors, whose sum is σ = 27248717864. Its totient is φ = 27248717862.

The previous prime is 27248717843. The next prime is 27248717891. The reversal of 27248717863 is 36871784272.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27248717863 - 2⁵ = 27248717831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27248717843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13624358931 + 13624358932.

It is an arithmetic number, because the mean of its divisors is an integer number (13624358932).

Almost surely, 2^27248717863 is an apocalyptic number.

27248717863 is a deficient number, since it is larger than the sum of its proper divisors (1).

27248717863 is an equidigital number, since it uses as much as digits as its factorization.

27248717863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6322176, while the sum is 55.

The spelling of 27248717863 in words is "twenty-seven billion, two hundred forty-eight million, seven hundred seventeen thousand, eight hundred sixty-three".