28115082443 has 8 divisors (see below), whose sum is σ = 34021612512. Its totient is φ = 22681074816.

The previous prime is 28115082383. The next prime is 28115082473. The reversal of 28115082443 is 34428051182.

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 28115082443 - 2²² = 28110888139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28115082397 and 28115082406.

It is not an unprimeable number, because it can be changed into a prime (28115082473) 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, 118130480 + ... + 118130717.

It is an arithmetic number, because the mean of its divisors is an integer number (4252701564).

Almost surely, 2^28115082443 is an apocalyptic number.

28115082443 is a deficient number, since it is larger than the sum of its proper divisors (5906530069).

28115082443 is a wasteful number, since it uses less digits than its factorization.

28115082443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236261221.

The product of its (nonzero) digits is 61440, while the sum is 38.

The spelling of 28115082443 in words is "twenty-eight billion, one hundred fifteen million, eighty-two thousand, four hundred forty-three".