28736275833 has 12 divisors (see below), whose sum is σ = 42033372160. Its totient is φ = 18915016536.

The previous prime is 28736275823. The next prime is 28736275837. The reversal of 28736275833 is 33857263782.

28736275833 is a `hidden beast` number, since 2 + 8 + 7 + 3 + 627 + 5 + 8 + 3 + 3 = 666.

It is not a de Polignac number, because 28736275833 - 2⁴ = 28736275817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28736275833.

It is not an unprimeable number, because it can be changed into a prime (28736275837) 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 11 ways as a sum of consecutive naturals, for example, 20207641 + ... + 20209062.

Almost surely, 2^28736275833 is an apocalyptic number.

It is an amenable number.

28736275833 is a deficient number, since it is larger than the sum of its proper divisors (13297096327).

28736275833 is a wasteful number, since it uses less digits than its factorization.

28736275833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40416788 (or 40416785 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 54.

The spelling of 28736275833 in words is "twenty-eight billion, seven hundred thirty-six million, two hundred seventy-five thousand, eight hundred thirty-three".