28080259 has 4 divisors (see below), whose sum is σ = 28098504. Its totient is φ = 28062016.

The previous prime is 28080257. The next prime is 28080289. The reversal of 28080259 is 95208082.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95208082 = 2 ⋅47604041.

It is a cyclic number.

It is not a de Polignac number, because 28080259 - 2¹ = 28080257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28080257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6577 + ... + 9970.

It is an arithmetic number, because the mean of its divisors is an integer number (7024626).

Almost surely, 2^28080259 is an apocalyptic number.

28080259 is a deficient number, since it is larger than the sum of its proper divisors (18245).

28080259 is a wasteful number, since it uses less digits than its factorization.

28080259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18244.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 28080259 is about 5299.0809580530. The cubic root of 28080259 is about 303.9487556456.

The spelling of 28080259 in words is "twenty-eight million, eighty thousand, two hundred fifty-nine".