27886361 has 2 divisors, whose sum is σ = 27886362. Its totient is φ = 27886360.

The previous prime is 27886343. The next prime is 27886379. The reversal of 27886361 is 16368872.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (27886343) and next prime (27886379).

It can be written as a sum of positive squares in only one way, i.e., 23580736 + 4305625 = 4856^2 + 2075^2 .

It is a cyclic number.

It is not a de Polignac number, because 27886361 - 2⁶ = 27886297 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27886301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13943180 + 13943181.

It is an arithmetic number, because the mean of its divisors is an integer number (13943181).

Almost surely, 2^27886361 is an apocalyptic number.

It is an amenable number.

27886361 is a deficient number, since it is larger than the sum of its proper divisors (1).

27886361 is an equidigital number, since it uses as much as digits as its factorization.

27886361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 41.

The square root of 27886361 is about 5280.7538287635. The cubic root of 27886361 is about 303.2475366845.

The spelling of 27886361 in words is "twenty-seven million, eight hundred eighty-six thousand, three hundred sixty-one".