28784012652824 has 96 divisors (see below), whose sum is σ = 67503943185840. Its totient is φ = 11366784000000.

The previous prime is 28784012652809. The next prime is 28784012652833. The reversal of 28784012652824 is 42825621048782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56672177 + ... + 57177824.

Almost surely, 2^{28784012652824} is an apocalyptic number.

It is an amenable number.

28784012652824 is an abundant number, since it is smaller than the sum of its proper divisors (38719930533016).

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

28784012652824 is a wasteful number, since it uses less digits than its factorization.

28784012652824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113850061 (or 113850044 counting only the distinct ones).

The product of its (nonzero) digits is 27525120, while the sum is 59.

The spelling of 28784012652824 in words is "twenty-eight trillion, seven hundred eighty-four billion, twelve million, six hundred fifty-two thousand, eight hundred twenty-four".