28324604267 has 4 divisors (see below), whose sum is σ = 28359105216. Its totient is φ = 28290103320.

The previous prime is 28324604263. The next prime is 28324604299. The reversal of 28324604267 is 76240642382.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76240642382 = 2 ⋅38120321191.

It is a cyclic number.

It is not a de Polignac number, because 28324604267 - 2² = 28324604263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28324604263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17249243 + ... + 17250884.

It is an arithmetic number, because the mean of its divisors is an integer number (7089776304).

Almost surely, 2^28324604267 is an apocalyptic number.

28324604267 is a deficient number, since it is larger than the sum of its proper divisors (34500949).

28324604267 is an equidigital number, since it uses as much as digits as its factorization.

28324604267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34500948.

The product of its (nonzero) digits is 774144, while the sum is 44.

The spelling of 28324604267 in words is "twenty-eight billion, three hundred twenty-four million, six hundred four thousand, two hundred sixty-seven".