27228586901 has 2 divisors, whose sum is σ = 27228586902. Its totient is φ = 27228586900.

The previous prime is 27228586867. The next prime is 27228586927. The reversal of 27228586901 is 10968582272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24900524401 + 2328062500 = 157799^2 + 48250^2 .

It is a cyclic number.

It is not a de Polignac number, because 27228586901 - 2⁶ = 27228586837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27228586901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27228586981) 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, 13614293450 + 13614293451.

It is an arithmetic number, because the mean of its divisors is an integer number (13614293451).

Almost surely, 2^27228586901 is an apocalyptic number.

It is an amenable number.

27228586901 is a deficient number, since it is larger than the sum of its proper divisors (1).

27228586901 is an equidigital number, since it uses as much as digits as its factorization.

27228586901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 27228586901 in words is "twenty-seven billion, two hundred twenty-eight million, five hundred eighty-six thousand, nine hundred one".