28080223427 has 8 divisors (see below), whose sum is σ = 28271894400. Its totient is φ = 27889153344.

The previous prime is 28080223403. The next prime is 28080223439. The reversal of 28080223427 is 72432208082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28080223427 - 2³⁴ = 10900354243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28080223447) 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 in 7 ways as a sum of consecutive naturals, for example, 56243 + ... + 243564.

It is an arithmetic number, because the mean of its divisors is an integer number (3533986800).

Almost surely, 2^28080223427 is an apocalyptic number.

28080223427 is a deficient number, since it is larger than the sum of its proper divisors (191670973).

28080223427 is a wasteful number, since it uses less digits than its factorization.

28080223427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300445.

The product of its (nonzero) digits is 86016, while the sum is 38.

The spelling of 28080223427 in words is "twenty-eight billion, eighty million, two hundred twenty-three thousand, four hundred twenty-seven".