28088168220479 has 2 divisors, whose sum is σ = 28088168220480. Its totient is φ = 28088168220478.

The previous prime is 28088168220373. The next prime is 28088168220487. The reversal of 28088168220479 is 97402286188082.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28088168220479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28088168250479) 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, 14044084110239 + 14044084110240.

It is an arithmetic number, because the mean of its divisors is an integer number (14044084110240).

Almost surely, 2^{28088168220479} is an apocalyptic number.

28088168220479 is a deficient number, since it is larger than the sum of its proper divisors (1).

28088168220479 is an equidigital number, since it uses as much as digits as its factorization.

28088168220479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49545216, while the sum is 65.

The spelling of 28088168220479 in words is "twenty-eight trillion, eighty-eight billion, one hundred sixty-eight million, two hundred twenty thousand, four hundred seventy-nine".