28114340289 has 8 divisors (see below), whose sum is σ = 42840899520. Its totient is φ = 16065337296.

The previous prime is 28114340249. The next prime is 28114340321. The reversal of 28114340289 is 98204341182.

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

It is not a de Polignac number, because 28114340289 - 2⁷ = 28114340161 is a prime.

It is a super-2 number, since 2×28114340289² (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 28114340289.

It is not an unprimeable number, because it can be changed into a prime (28114340209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 669389034 + ... + 669389075.

It is an arithmetic number, because the mean of its divisors is an integer number (5355112440).

Almost surely, 2^28114340289 is an apocalyptic number.

It is an amenable number.

28114340289 is a deficient number, since it is larger than the sum of its proper divisors (14726559231).

28114340289 is a wasteful number, since it uses less digits than its factorization.

28114340289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338778119.

The product of its (nonzero) digits is 110592, while the sum is 42.

The spelling of 28114340289 in words is "twenty-eight billion, one hundred fourteen million, three hundred forty thousand, two hundred eighty-nine".