27997883 has 2 divisors, whose sum is σ = 27997884. Its totient is φ = 27997882.

The previous prime is 27997829. The next prime is 27997891. The reversal of 27997883 is 38879972.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27997883 - 2⁶ = 27997819 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27996883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13998941 + 13998942.

It is an arithmetic number, because the mean of its divisors is an integer number (13998942).

Almost surely, 2^27997883 is an apocalyptic number.

27997883 is a deficient number, since it is larger than the sum of its proper divisors (1).

27997883 is an equidigital number, since it uses as much as digits as its factorization.

27997883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 53.

The square root of 27997883 is about 5291.3025806506. The cubic root of 27997883 is about 303.6512440675.

The spelling of 27997883 in words is "twenty-seven million, nine hundred ninety-seven thousand, eight hundred eighty-three".