27883937 has 2 divisors, whose sum is σ = 27883938. Its totient is φ = 27883936.

The previous prime is 27883907. The next prime is 27883939. The reversal of 27883937 is 73938872.

It is a happy number.

27883937 is nontrivially palindromic in base 16.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18696976 + 9186961 = 4324^2 + 3031^2 .

It is a cyclic number.

It is not a de Polignac number, because 27883937 - 2⁶ = 27883873 is a prime.

Together with 27883939, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 27883891 and 27883900.

It is not a weakly prime, because it can be changed into another prime (27883939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13941968 + 13941969.

It is an arithmetic number, because the mean of its divisors is an integer number (13941969).

Almost surely, 2^27883937 is an apocalyptic number.

It is an amenable number.

27883937 is a deficient number, since it is larger than the sum of its proper divisors (1).

27883937 is an equidigital number, since it uses as much as digits as its factorization.

27883937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 47.

The square root of 27883937 is about 5280.5243110888. The cubic root of 27883937 is about 303.2387499120.

The spelling of 27883937 in words is "twenty-seven million, eight hundred eighty-three thousand, nine hundred thirty-seven".