28003476116 has 72 divisors (see below), whose sum is σ = 64483707456. Its totient is φ = 10336170240.

The previous prime is 28003476089. The next prime is 28003476131. The reversal of 28003476116 is 61167430082.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 28003476116.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14741 + ... + 237116.

It is an arithmetic number, because the mean of its divisors is an integer number (895607048).

Almost surely, 2^28003476116 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 28003476116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32241853728).

28003476116 is an abundant number, since it is smaller than the sum of its proper divisors (36480231340).

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

28003476116 is a wasteful number, since it uses less digits than its factorization.

28003476116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251917 (or 251896 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 28003476116 in words is "twenty-eight billion, three million, four hundred seventy-six thousand, one hundred sixteen".