27320477 has 2 divisors, whose sum is σ = 27320478. Its totient is φ = 27320476.

The previous prime is 27320459. The next prime is 27320507. The reversal of 27320477 is 77402372.

27320477 is nontrivially palindromic in base 15.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26822041 + 498436 = 5179^2 + 706^2 .

It is a cyclic number.

It is not a de Polignac number, because 27320477 - 2⁶ = 27320413 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27323477) 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, 13660238 + 13660239.

It is an arithmetic number, because the mean of its divisors is an integer number (13660239).

Almost surely, 2^27320477 is an apocalyptic number.

It is an amenable number.

27320477 is a deficient number, since it is larger than the sum of its proper divisors (1).

27320477 is an equidigital number, since it uses as much as digits as its factorization.

27320477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16464, while the sum is 32.

The square root of 27320477 is about 5226.8993676940. The cubic root of 27320477 is about 301.1822863940.

The spelling of 27320477 in words is "twenty-seven million, three hundred twenty thousand, four hundred seventy-seven".