27882641 has 2 divisors, whose sum is σ = 27882642. Its totient is φ = 27882640.

The previous prime is 27882607. The next prime is 27882643. The reversal of 27882641 is 14628872.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27081616 + 801025 = 5204^2 + 895^2 .

It is a cyclic number.

It is not a de Polignac number, because 27882641 - 2⁶ = 27882577 is a prime.

Together with 27882643, 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 = 27882595 and 27882604.

It is not a weakly prime, because it can be changed into another prime (27882643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13941320 + 13941321.

It is an arithmetic number, because the mean of its divisors is an integer number (13941321).

Almost surely, 2^27882641 is an apocalyptic number.

It is an amenable number.

27882641 is a deficient number, since it is larger than the sum of its proper divisors (1).

27882641 is an equidigital number, since it uses as much as digits as its factorization.

27882641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43008, while the sum is 38.

The square root of 27882641 is about 5280.4015945759. The cubic root of 27882641 is about 303.2340518247.

The spelling of 27882641 in words is "twenty-seven million, eight hundred eighty-two thousand, six hundred forty-one".