28080247583 has 4 divisors (see below), whose sum is σ = 28082577888. Its totient is φ = 28077917280.

The previous prime is 28080247579. The next prime is 28080247631. The reversal of 28080247583 is 38574208082.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28080247583 - 2² = 28080247579 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28080247183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1146983 + ... + 1171208.

It is an arithmetic number, because the mean of its divisors is an integer number (7020644472).

Almost surely, 2^28080247583 is an apocalyptic number.

28080247583 is a deficient number, since it is larger than the sum of its proper divisors (2330305).

28080247583 is a wasteful number, since it uses less digits than its factorization.

28080247583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330304.

The product of its (nonzero) digits is 860160, while the sum is 47.

The spelling of 28080247583 in words is "twenty-eight billion, eighty million, two hundred forty-seven thousand, five hundred eighty-three".