27831983 has 2 divisors, whose sum is σ = 27831984. Its totient is φ = 27831982.

The previous prime is 27831949. The next prime is 27831997. The reversal of 27831983 is 38913872.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27831983 - 2¹² = 27827887 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27831983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27831913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13915991 + 13915992.

It is an arithmetic number, because the mean of its divisors is an integer number (13915992).

Almost surely, 2^27831983 is an apocalyptic number.

27831983 is a deficient number, since it is larger than the sum of its proper divisors (1).

27831983 is an equidigital number, since it uses as much as digits as its factorization.

27831983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 41.

The square root of 27831983 is about 5275.6026196066. The cubic root of 27831983 is about 303.0502989907.

The spelling of 27831983 in words is "twenty-seven million, eight hundred thirty-one thousand, nine hundred eighty-three".