28607635284 has 24 divisors (see below), whose sum is σ = 68555235168. Its totient is φ = 9278151840.

The previous prime is 28607635283. The next prime is 28607635319. The reversal of 28607635284 is 48253670682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28607635283) 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 7 ways as a sum of consecutive naturals, for example, 32215362 + ... + 32216249.

It is an arithmetic number, because the mean of its divisors is an integer number (2856468132).

Almost surely, 2^28607635284 is an apocalyptic number.

It is an amenable number.

28607635284 is an abundant number, since it is smaller than the sum of its proper divisors (39947599884).

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

28607635284 is a wasteful number, since it uses less digits than its factorization.

28607635284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64431655 (or 64431653 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 51.

The spelling of 28607635284 in words is "twenty-eight billion, six hundred seven million, six hundred thirty-five thousand, two hundred eighty-four".