28679133 has 32 divisors (see below), whose sum is σ = 45158400. Its totient is φ = 15852096.

The previous prime is 28679111. The next prime is 28679197. The reversal of 28679133 is 33197682.

It is not a de Polignac number, because 28679133 - 2⁶ = 28679069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28679091 and 28679100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28679933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97735 + ... + 98027.

It is an arithmetic number, because the mean of its divisors is an integer number (1411200).

Almost surely, 2^28679133 is an apocalyptic number.

It is an amenable number.

28679133 is a deficient number, since it is larger than the sum of its proper divisors (16479267).

28679133 is a wasteful number, since it uses less digits than its factorization.

28679133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441.

The product of its digits is 54432, while the sum is 39.

The square root of 28679133 is about 5355.2901882158. The cubic root of 28679133 is about 306.0943683484.

The spelling of 28679133 in words is "twenty-eight million, six hundred seventy-nine thousand, one hundred thirty-three".