27216883 has 2 divisors, whose sum is σ = 27216884. Its totient is φ = 27216882.

The previous prime is 27216863. The next prime is 27216887. The reversal of 27216883 is 38861272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27216883 - 2⁵ = 27216851 is a prime.

It is not a weakly prime, because it can be changed into another prime (27216887) 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, 13608441 + 13608442.

It is an arithmetic number, because the mean of its divisors is an integer number (13608442).

Almost surely, 2^27216883 is an apocalyptic number.

27216883 is a deficient number, since it is larger than the sum of its proper divisors (1).

27216883 is an equidigital number, since it uses as much as digits as its factorization.

27216883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 37.

The square root of 27216883 is about 5216.9802568152. The cubic root of 27216883 is about 300.8011291065.

It can be divided in two parts, 2721 and 6883, that added together give a square (9604 = 98²).

The spelling of 27216883 in words is "twenty-seven million, two hundred sixteen thousand, eight hundred eighty-three".