27782983 has 2 divisors, whose sum is σ = 27782984. Its totient is φ = 27782982.

The previous prime is 27782977. The next prime is 27783013. The reversal of 27782983 is 38928772.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27782983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27782383) 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, 13891491 + 13891492.

It is an arithmetic number, because the mean of its divisors is an integer number (13891492).

Almost surely, 2^27782983 is an apocalyptic number.

27782983 is a deficient number, since it is larger than the sum of its proper divisors (1).

27782983 is an equidigital number, since it uses as much as digits as its factorization.

27782983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 46.

The square root of 27782983 is about 5270.9565545544. The cubic root of 27782983 is about 302.8723479902.

The spelling of 27782983 in words is "twenty-seven million, seven hundred eighty-two thousand, nine hundred eighty-three".