28343208959 has 8 divisors (see below), whose sum is σ = 31850562912. Its totient is φ = 25025441760.

The previous prime is 28343208853. The next prime is 28343208967. The reversal of 28343208959 is 95980234382.

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 28343208959 - 2⁸ = 28343208703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28343208959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28343208059) 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, 47396372 + ... + 47396969.

It is an arithmetic number, because the mean of its divisors is an integer number (3981320364).

Almost surely, 2^28343208959 is an apocalyptic number.

28343208959 is a deficient number, since it is larger than the sum of its proper divisors (3507353953).

28343208959 is a wasteful number, since it uses less digits than its factorization.

28343208959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94793377.

The product of its (nonzero) digits is 3732480, while the sum is 53.

The spelling of 28343208959 in words is "twenty-eight billion, three hundred forty-three million, two hundred eight thousand, nine hundred fifty-nine".