28104264133 has 8 divisors (see below), whose sum is σ = 30660701760. Its totient is φ = 25548077280.

The previous prime is 28104264131. The next prime is 28104264163. The reversal of 28104264133 is 33146240182.

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

It is not a de Polignac number, because 28104264133 - 2¹ = 28104264131 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 (28104264131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231816 + ... + 331582.

It is an arithmetic number, because the mean of its divisors is an integer number (3832587720).

Almost surely, 2^28104264133 is an apocalyptic number.

It is an amenable number.

28104264133 is a deficient number, since it is larger than the sum of its proper divisors (2556437627).

28104264133 is a wasteful number, since it uses less digits than its factorization.

28104264133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125387.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 28104264133 in words is "twenty-eight billion, one hundred four million, two hundred sixty-four thousand, one hundred thirty-three".