28060800133 has 4 divisors (see below), whose sum is σ = 28065374208. Its totient is φ = 28056226060.

The previous prime is 28060800109. The next prime is 28060800149. The reversal of 28060800133 is 33100806082.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28060800133 - 2³³ = 19470865541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28060800095 and 28060800104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28060860133) 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, 2277823 + ... + 2290108.

It is an arithmetic number, because the mean of its divisors is an integer number (7016343552).

Almost surely, 2^28060800133 is an apocalyptic number.

It is an amenable number.

28060800133 is a deficient number, since it is larger than the sum of its proper divisors (4574075).

28060800133 is an equidigital number, since it uses as much as digits as its factorization.

28060800133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4574074.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 28060800133 in words is "twenty-eight billion, sixty million, eight hundred thousand, one hundred thirty-three".