28080555828305 has 16 divisors (see below), whose sum is σ = 35679341427840. Its totient is φ = 21142700044032.

The previous prime is 28080555828263. The next prime is 28080555828323. The reversal of 28080555828305 is 50382855508082.

It is a cyclic number.

It is not a de Polignac number, because 28080555828305 - 2²⁰ = 28080554779729 is a prime.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 3585422 + ... + 8307608.

It is an arithmetic number, because the mean of its divisors is an integer number (2229958839240).

Almost surely, 2^{28080555828305} is an apocalyptic number.

It is an amenable number.

28080555828305 is a deficient number, since it is larger than the sum of its proper divisors (7598785599535).

28080555828305 is a wasteful number, since it uses less digits than its factorization.

28080555828305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4792168.

The product of its (nonzero) digits is 30720000, while the sum is 59.

The spelling of 28080555828305 in words is "twenty-eight trillion, eighty billion, five hundred fifty-five million, eight hundred twenty-eight thousand, three hundred five".