28675837424 has 20 divisors (see below), whose sum is σ = 59833238136. Its totient is φ = 13235001792.

The previous prime is 28675837417. The next prime is 28675837441. The reversal of 28675837424 is 42473857682.

It is a self number, because there is not a number n which added to its sum of digits gives 28675837424.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 68932094 + ... + 68932509.

Almost surely, 2^28675837424 is an apocalyptic number.

It is an amenable number.

28675837424 is an abundant number, since it is smaller than the sum of its proper divisors (31157400712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28675837424 is a wasteful number, since it uses less digits than its factorization.

28675837424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137864624 (or 137864618 counting only the distinct ones).

The product of its digits is 18063360, while the sum is 56.

The spelling of 28675837424 in words is "twenty-eight billion, six hundred seventy-five million, eight hundred thirty-seven thousand, four hundred twenty-four".