28200839535 has 48 divisors (see below), whose sum is σ = 53342115840. Its totient is φ = 13668803520.

The previous prime is 28200839497. The next prime is 28200839539. The reversal of 28200839535 is 53593800282.

28200839535 is a `hidden beast` number, since 2 + 82 + 0 + 0 + 8 + 39 + 535 = 666.

It is not a de Polignac number, because 28200839535 - 2¹⁰ = 28200838511 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28200839539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2012122 + ... + 2026088.

It is an arithmetic number, because the mean of its divisors is an integer number (1111294080).

Almost surely, 2^28200839535 is an apocalyptic number.

28200839535 is a deficient number, since it is larger than the sum of its proper divisors (25141276305).

28200839535 is a wasteful number, since it uses less digits than its factorization.

28200839535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18068 (or 18065 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 28200839535 in words is "twenty-eight billion, two hundred million, eight hundred thirty-nine thousand, five hundred thirty-five".