28252796443 has 8 divisors (see below), whose sum is σ = 29215511568. Its totient is φ = 27305994144.

The previous prime is 28252796437. The next prime is 28252796459. The reversal of 28252796443 is 34469725282.

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 28252796443 - 2⁹ = 28252795931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28252796483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3974596 + ... + 3981697.

It is an arithmetic number, because the mean of its divisors is an integer number (3651938946).

Almost surely, 2^28252796443 is an apocalyptic number.

28252796443 is a deficient number, since it is larger than the sum of its proper divisors (962715125).

28252796443 is an equidigital number, since it uses as much as digits as its factorization.

28252796443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7956413.

The product of its digits is 5806080, while the sum is 52.

The spelling of 28252796443 in words is "twenty-eight billion, two hundred fifty-two million, seven hundred ninety-six thousand, four hundred forty-three".