27726680701 has 2 divisors, whose sum is σ = 27726680702. Its totient is φ = 27726680700.

The previous prime is 27726680629. The next prime is 27726680749. The reversal of 27726680701 is 10708662772.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19788048900 + 7938631801 = 140670^2 + 89099^2 .

It is a cyclic number.

It is not a de Polignac number, because 27726680701 - 2¹¹ = 27726678653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27726690701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13863340350 + 13863340351.

It is an arithmetic number, because the mean of its divisors is an integer number (13863340351).

Almost surely, 2^27726680701 is an apocalyptic number.

It is an amenable number.

27726680701 is a deficient number, since it is larger than the sum of its proper divisors (1).

27726680701 is an equidigital number, since it uses as much as digits as its factorization.

27726680701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 395136, while the sum is 46.

The spelling of 27726680701 in words is "twenty-seven billion, seven hundred twenty-six million, six hundred eighty thousand, seven hundred one".