28807011233 has 48 divisors (see below), whose sum is σ = 39358330368. Its totient is φ = 20514384000.

The previous prime is 28807011179. The next prime is 28807011269. The reversal of 28807011233 is 33211070882.

It is not a de Polignac number, because 28807011233 - 2¹⁸ = 28806749089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28807011193 and 28807011202.

It is not an unprimeable number, because it can be changed into a prime (28807011433) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1099160 + ... + 1125062.

It is an arithmetic number, because the mean of its divisors is an integer number (819965216).

Almost surely, 2^28807011233 is an apocalyptic number.

It is an amenable number.

28807011233 is a deficient number, since it is larger than the sum of its proper divisors (10551319135).

28807011233 is a wasteful number, since it uses less digits than its factorization.

28807011233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26046 (or 26035 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The spelling of 28807011233 in words is "twenty-eight billion, eight hundred seven million, eleven thousand, two hundred thirty-three".