27726703841 has 2 divisors, whose sum is σ = 27726703842. Its totient is φ = 27726703840.

The previous prime is 27726703783. The next prime is 27726703861. The reversal of 27726703841 is 14830762772.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26274789025 + 1451914816 = 162095^2 + 38104^2 .

It is a cyclic number.

It is not a de Polignac number, because 27726703841 - 2⁶ = 27726703777 is a prime.

It is not a weakly prime, because it can be changed into another prime (27726703861) 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, 13863351920 + 13863351921.

It is an arithmetic number, because the mean of its divisors is an integer number (13863351921).

Almost surely, 2^27726703841 is an apocalyptic number.

It is an amenable number.

27726703841 is a deficient number, since it is larger than the sum of its proper divisors (1).

27726703841 is an equidigital number, since it uses as much as digits as its factorization.

27726703841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 790272, while the sum is 47.

The spelling of 27726703841 in words is "twenty-seven billion, seven hundred twenty-six million, seven hundred three thousand, eight hundred forty-one".