28574414443 has 4 divisors (see below), whose sum is σ = 28631222928. Its totient is φ = 28517605960.

The previous prime is 28574414423. The next prime is 28574414459. The reversal of 28574414443 is 34441447582.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34441447582 = 2 ⋅17220723791.

It is a cyclic number.

It is not a de Polignac number, because 28574414443 - 2¹⁷ = 28574283371 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28574414393 and 28574414402.

It is not an unprimeable number, because it can be changed into a prime (28574414413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28403488 + ... + 28404493.

It is an arithmetic number, because the mean of its divisors is an integer number (7157805732).

Almost surely, 2^28574414443 is an apocalyptic number.

28574414443 is a deficient number, since it is larger than the sum of its proper divisors (56808485).

28574414443 is an equidigital number, since it uses as much as digits as its factorization.

28574414443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56808484.

The product of its digits is 1720320, while the sum is 46.

The spelling of 28574414443 in words is "twenty-eight billion, five hundred seventy-four million, four hundred fourteen thousand, four hundred forty-three".