28334744899 has 8 divisors (see below), whose sum is σ = 29962154880. Its totient is φ = 26751921600.

The previous prime is 28334744887. The next prime is 28334744909. The reversal of 28334744899 is 99844743382.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 28334744899 - 2⁷ = 28334744771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28334744819) 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 7 ways as a sum of consecutive naturals, for example, 11145364 + ... + 11147905.

It is an arithmetic number, because the mean of its divisors is an integer number (3745269360).

Almost surely, 2^28334744899 is an apocalyptic number.

28334744899 is a deficient number, since it is larger than the sum of its proper divisors (1627409981).

28334744899 is a wasteful number, since it uses less digits than its factorization.

28334744899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22293341.

The product of its digits is 41803776, while the sum is 61.

The spelling of 28334744899 in words is "twenty-eight billion, three hundred thirty-four million, seven hundred forty-four thousand, eight hundred ninety-nine".