28686335016 has 16 divisors (see below), whose sum is σ = 71715837600. Its totient is φ = 9562111664.

The previous prime is 28686334997. The next prime is 28686335077. The reversal of 28686335016 is 61053368682.

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 3 ways as a sum of consecutive naturals, for example, 597631956 + ... + 597632003.

It is an arithmetic number, because the mean of its divisors is an integer number (4482239850).

Almost surely, 2^28686335016 is an apocalyptic number.

It is an amenable number.

28686335016 is an abundant number, since it is smaller than the sum of its proper divisors (43029502584).

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

28686335016 is a wasteful number, since it uses less digits than its factorization.

28686335016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195263968 (or 1195263964 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 28686335016 in words is "twenty-eight billion, six hundred eighty-six million, three hundred thirty-five thousand, sixteen".