28327095161 has 2 divisors, whose sum is σ = 28327095162. Its totient is φ = 28327095160.

The previous prime is 28327095143. The next prime is 28327095197. The reversal of 28327095161 is 16159072382.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27673986025 + 653109136 = 166355^2 + 25556^2 .

It is a cyclic number.

It is not a de Polignac number, because 28327095161 - 2²² = 28322900857 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (28327095101) 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, 14163547580 + 14163547581.

It is an arithmetic number, because the mean of its divisors is an integer number (14163547581).

Almost surely, 2^28327095161 is an apocalyptic number.

It is an amenable number.

28327095161 is a deficient number, since it is larger than the sum of its proper divisors (1).

28327095161 is an equidigital number, since it uses as much as digits as its factorization.

28327095161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 28327095161 in words is "twenty-eight billion, three hundred twenty-seven million, ninety-five thousand, one hundred sixty-one".