28960787218 has 8 divisors (see below), whose sum is σ = 47390379120. Its totient is φ = 13163994180.

The previous prime is 28960787213. The next prime is 28960787227. The reversal of 28960787218 is 81278706982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (28960787213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 658199688 + ... + 658199731.

It is an arithmetic number, because the mean of its divisors is an integer number (5923797390).

Almost surely, 2^28960787218 is an apocalyptic number.

28960787218 is a deficient number, since it is larger than the sum of its proper divisors (18429591902).

28960787218 is a wasteful number, since it uses less digits than its factorization.

28960787218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316399432.

The product of its (nonzero) digits is 5419008, while the sum is 58.

The spelling of 28960787218 in words is "twenty-eight billion, nine hundred sixty million, seven hundred eighty-seven thousand, two hundred eighteen".