28875609933 has 8 divisors (see below), whose sum is σ = 38503725600. Its totient is φ = 19248950448.

The previous prime is 28875609907. The next prime is 28875609943. The reversal of 28875609933 is 33990657882.

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

It is not a de Polignac number, because 28875609933 - 2²¹ = 28873512781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28875609943) 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, 316903 + ... + 397716.

It is an arithmetic number, because the mean of its divisors is an integer number (4812965700).

Almost surely, 2^28875609933 is an apocalyptic number.

It is an amenable number.

28875609933 is a deficient number, since it is larger than the sum of its proper divisors (9628115667).

28875609933 is a wasteful number, since it uses less digits than its factorization.

28875609933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728091.

The product of its (nonzero) digits is 19595520, while the sum is 60.

The spelling of 28875609933 in words is "twenty-eight billion, eight hundred seventy-five million, six hundred nine thousand, nine hundred thirty-three".