28304324079 has 8 divisors (see below), whose sum is σ = 37749393792. Its totient is φ = 18864401880.

The previous prime is 28304324033. The next prime is 28304324137. The reversal of 28304324079 is 97042340382.

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

It is not a de Polignac number, because 28304324079 - 2¹⁷ = 28304193007 is a prime.

It is a super-2 number, since 2×28304324079² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28304324079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28304324179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1274029 + ... + 1296054.

It is an arithmetic number, because the mean of its divisors is an integer number (4718674224).

Almost surely, 2^28304324079 is an apocalyptic number.

28304324079 is a deficient number, since it is larger than the sum of its proper divisors (9445069713).

28304324079 is a wasteful number, since it uses less digits than its factorization.

28304324079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2573757.

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 28304324079 in words is "twenty-eight billion, three hundred four million, three hundred twenty-four thousand, seventy-nine".