28808775633 has 16 divisors (see below), whose sum is σ = 43255406592. Its totient is φ = 16896642000.

The previous prime is 28808775617. The next prime is 28808775727. The reversal of 28808775633 is 33657780882.

It is not a de Polignac number, because 28808775633 - 2⁴ = 28808775617 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28808773633) 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 15 ways as a sum of consecutive naturals, for example, 14079513 + ... + 14081558.

It is an arithmetic number, because the mean of its divisors is an integer number (2703462912).

Almost surely, 2^28808775633 is an apocalyptic number.

It is an amenable number.

28808775633 is a deficient number, since it is larger than the sum of its proper divisors (14446630959).

28808775633 is a wasteful number, since it uses less digits than its factorization.

28808775633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28161116.

The product of its (nonzero) digits is 13547520, while the sum is 57.

The spelling of 28808775633 in words is "twenty-eight billion, eight hundred eight million, seven hundred seventy-five thousand, six hundred thirty-three".