28304336318 has 8 divisors (see below), whose sum is σ = 42508857720. Its totient is φ = 14134717080.

The previous prime is 28304336311. The next prime is 28304336321. The reversal of 28304336318 is 81363340382.

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

It is a super-2 number, since 2×28304336318² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28304336311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8723513 + ... + 8726756.

It is an arithmetic number, because the mean of its divisors is an integer number (5313607215).

Almost surely, 2^28304336318 is an apocalyptic number.

28304336318 is a deficient number, since it is larger than the sum of its proper divisors (14204521402).

28304336318 is a wasteful number, since it uses less digits than its factorization.

28304336318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17451082.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 28304336318 in words is "twenty-eight billion, three hundred four million, three hundred thirty-six thousand, three hundred eighteen".