27801713 has 2 divisors, whose sum is σ = 27801714. Its totient is φ = 27801712.

The previous prime is 27801707. The next prime is 27801721. The reversal of 27801713 is 31710872.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26142769 + 1658944 = 5113^2 + 1288^2 .

It is a cyclic number.

It is not a de Polignac number, because 27801713 - 2¹² = 27797617 is a prime.

It is not a weakly prime, because it can be changed into another prime (27801773) 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, 13900856 + 13900857.

It is an arithmetic number, because the mean of its divisors is an integer number (13900857).

Almost surely, 2^27801713 is an apocalyptic number.

It is an amenable number.

27801713 is a deficient number, since it is larger than the sum of its proper divisors (1).

27801713 is an equidigital number, since it uses as much as digits as its factorization.

27801713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 27801713 is about 5272.7329725675. The cubic root of 27801713 is about 302.9403935366.

The spelling of 27801713 in words is "twenty-seven million, eight hundred one thousand, seven hundred thirteen".