27676261 has 2 divisors, whose sum is σ = 27676262. Its totient is φ = 27676260.

The previous prime is 27676223. The next prime is 27676277. The reversal of 27676261 is 16267672.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20196036 + 7480225 = 4494^2 + 2735^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27676261 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 27676261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27676361) 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, 13838130 + 13838131.

It is an arithmetic number, because the mean of its divisors is an integer number (13838131).

Almost surely, 2^27676261 is an apocalyptic number.

It is an amenable number.

27676261 is a deficient number, since it is larger than the sum of its proper divisors (1).

27676261 is an equidigital number, since it uses as much as digits as its factorization.

27676261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 37.

The square root of 27676261 is about 5260.8232245534. The cubic root of 27676261 is about 302.4840453302.

The spelling of 27676261 in words is "twenty-seven million, six hundred seventy-six thousand, two hundred sixty-one".