28808027799 has 4 divisors (see below), whose sum is σ = 38410703736. Its totient is φ = 19205351864.

The previous prime is 28808027783. The next prime is 28808027813. The reversal of 28808027799 is 99772080882.

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 28808027799 - 2⁴ = 28808027783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28808027749) 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, 4801337964 + ... + 4801337969.

It is an arithmetic number, because the mean of its divisors is an integer number (9602675934).

Almost surely, 2^28808027799 is an apocalyptic number.

28808027799 is a deficient number, since it is larger than the sum of its proper divisors (9602675937).

28808027799 is an equidigital number, since it uses as much as digits as its factorization.

28808027799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9602675936.

The product of its (nonzero) digits is 8128512, while the sum is 60.

The spelling of 28808027799 in words is "twenty-eight billion, eight hundred eight million, twenty-seven thousand, seven hundred ninety-nine".