28684115000 has 40 divisors (see below), whose sum is σ = 67206893160. Its totient is φ = 11473644000.

The previous prime is 28684114937. The next prime is 28684115029. The reversal of 28684115000 is 51148682.

It is a tau number, because it is divible by the number of its divisors (40).

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 9 ways as a sum of consecutive naturals, for example, 2863412 + ... + 2873411.

It is an arithmetic number, because the mean of its divisors is an integer number (1680172329).

Almost surely, 2^28684115000 is an apocalyptic number.

28684115000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28684115000 is an abundant number, since it is smaller than the sum of its proper divisors (38522778160).

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

28684115000 is an equidigital number, since it uses as much as digits as its factorization.

28684115000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5736849 (or 5736830 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 35.

The spelling of 28684115000 in words is "twenty-eight billion, six hundred eighty-four million, one hundred fifteen thousand".