28603830684 has 144 divisors (see below), whose sum is σ = 79732719360. Its totient is φ = 7910622720.

The previous prime is 28603830637. The next prime is 28603830701. The reversal of 28603830684 is 48603830682.

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 47 ways as a sum of consecutive naturals, for example, 1978209 + ... + 1992615.

It is an arithmetic number, because the mean of its divisors is an integer number (553699440).

Almost surely, 2^28603830684 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28603830684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39866359680).

28603830684 is an abundant number, since it is smaller than the sum of its proper divisors (51128888676).

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

28603830684 is a wasteful number, since it uses less digits than its factorization.

28603830684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14540 (or 14525 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 48.

The spelling of 28603830684 in words is "twenty-eight billion, six hundred three million, eight hundred thirty thousand, six hundred eighty-four".