28993503196 has 24 divisors (see below), whose sum is σ = 61398007776. Its totient is φ = 11694858240.

The previous prime is 28993503181. The next prime is 28993503241. The reversal of 28993503196 is 69130539982.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 30454885 + ... + 30455836.

It is an arithmetic number, because the mean of its divisors is an integer number (2558250324).

Almost surely, 2^28993503196 is an apocalyptic number.

It is an amenable number.

28993503196 is an abundant number, since it is smaller than the sum of its proper divisors (32404504580).

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

28993503196 is a wasteful number, since it uses less digits than its factorization.

28993503196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60910749 (or 60910747 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 55.

The spelling of 28993503196 in words is "twenty-eight billion, nine hundred ninety-three million, five hundred three thousand, one hundred ninety-six".