28384869304 has 16 divisors (see below), whose sum is σ = 58059960120. Its totient is φ = 12902213280.

The previous prime is 28384869287. The next prime is 28384869311. The reversal of 28384869304 is 40396848382.

It is a super-2 number, since 2×28384869304² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161277579 + ... + 161277754.

Almost surely, 2^28384869304 is an apocalyptic number.

It is an amenable number.

28384869304 is an abundant number, since it is smaller than the sum of its proper divisors (29675090816).

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

28384869304 is a wasteful number, since it uses less digits than its factorization.

28384869304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322555350 (or 322555346 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 55.

The spelling of 28384869304 in words is "twenty-eight billion, three hundred eighty-four million, eight hundred sixty-nine thousand, three hundred four".