28088168253293 has 2 divisors, whose sum is σ = 28088168253294. Its totient is φ = 28088168253292.

The previous prime is 28088168253247. The next prime is 28088168253323. The reversal of 28088168253293 is 39235286188082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28020528207364 + 67640045929 = 5293442^2 + 260077^2 .

It is a cyclic number.

It is not a de Polignac number, because 28088168253293 - 2¹⁶ = 28088168187757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28088168253793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14044084126646 + 14044084126647.

It is an arithmetic number, because the mean of its divisors is an integer number (14044084126647).

Almost surely, 2^{28088168253293} is an apocalyptic number.

It is an amenable number.

28088168253293 is a deficient number, since it is larger than the sum of its proper divisors (1).

28088168253293 is an equidigital number, since it uses as much as digits as its factorization.

28088168253293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79626240, while the sum is 65.

The spelling of 28088168253293 in words is "twenty-eight trillion, eighty-eight billion, one hundred sixty-eight million, two hundred fifty-three thousand, two hundred ninety-three".