28088168253247 has 2 divisors, whose sum is σ = 28088168253248. Its totient is φ = 28088168253246.

The previous prime is 28088168253151. The next prime is 28088168253293. The reversal of 28088168253247 is 74235286188082.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28088168253247 - 2¹⁵ = 28088168220479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28088168853247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14044084126623 + 14044084126624.

It is an arithmetic number, because the mean of its divisors is an integer number (14044084126624).

Almost surely, 2^{28088168253247} is an apocalyptic number.

28088168253247 is a deficient number, since it is larger than the sum of its proper divisors (1).

28088168253247 is an equidigital number, since it uses as much as digits as its factorization.

28088168253247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82575360, while the sum is 64.

The spelling of 28088168253247 in words is "twenty-eight trillion, eighty-eight billion, one hundred sixty-eight million, two hundred fifty-three thousand, two hundred forty-seven".