27794863 has 2 divisors, whose sum is σ = 27794864. Its totient is φ = 27794862.

The previous prime is 27794861. The next prime is 27794869. The reversal of 27794863 is 36849772.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27794863 - 2¹ = 27794861 is a prime.

Together with 27794861, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27794861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13897431 + 13897432.

It is an arithmetic number, because the mean of its divisors is an integer number (13897432).

Almost surely, 2^27794863 is an apocalyptic number.

27794863 is a deficient number, since it is larger than the sum of its proper divisors (1).

27794863 is an equidigital number, since it uses as much as digits as its factorization.

27794863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 46.

The square root of 27794863 is about 5272.0833642878. The cubic root of 27794863 is about 302.9155112311.

The spelling of 27794863 in words is "twenty-seven million, seven hundred ninety-four thousand, eight hundred sixty-three".