28065051671 has 2 divisors, whose sum is σ = 28065051672. Its totient is φ = 28065051670.

The previous prime is 28065051583. The next prime is 28065051683. The reversal of 28065051671 is 17615056082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28065051671 - 2¹⁰ = 28065050647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28065051271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14032525835 + 14032525836.

It is an arithmetic number, because the mean of its divisors is an integer number (14032525836).

Almost surely, 2^28065051671 is an apocalyptic number.

28065051671 is a deficient number, since it is larger than the sum of its proper divisors (1).

28065051671 is an equidigital number, since it uses as much as digits as its factorization.

28065051671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 28065051671 in words is "twenty-eight billion, sixty-five million, fifty-one thousand, six hundred seventy-one".