28088296233 has 8 divisors (see below), whose sum is σ = 39079368768. Its totient is φ = 17911377264.

The previous prime is 28088296207. The next prime is 28088296259. The reversal of 28088296233 is 33269288082.

It is an interprime number because it is at equal distance from previous prime (28088296207) and next prime (28088296259).

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

It is not a de Polignac number, because 28088296233 - 2⁶ = 28088296169 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28088296333) 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, 203538310 + ... + 203538447.

It is an arithmetic number, because the mean of its divisors is an integer number (4884921096).

Almost surely, 2^28088296233 is an apocalyptic number.

28088296233 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

28088296233 is a deficient number, since it is larger than the sum of its proper divisors (10991072535).

28088296233 is a wasteful number, since it uses less digits than its factorization.

28088296233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407076783.

The product of its (nonzero) digits is 1990656, while the sum is 51.

The spelling of 28088296233 in words is "twenty-eight billion, eighty-eight million, two hundred ninety-six thousand, two hundred thirty-three".