28082212043 has 6 divisors (see below), whose sum is σ = 29356263804. Its totient is φ = 26861245796.

The previous prime is 28082212007. The next prime is 28082212051. The reversal of 28082212043 is 34021228082.

It is not a de Polignac number, because 28082212043 - 2⁶ = 28082211979 is a prime.

It is a super-2 number, since 2×28082212043² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28082212243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26542205 + ... + 26543262.

It is an arithmetic number, because the mean of its divisors is an integer number (4892710634).

Almost surely, 2^28082212043 is an apocalyptic number.

28082212043 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

28082212043 is a deficient number, since it is larger than the sum of its proper divisors (1274051761).

28082212043 is an equidigital number, since it uses as much as digits as its factorization.

28082212043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53085513 (or 53085490 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The spelling of 28082212043 in words is "twenty-eight billion, eighty-two million, two hundred twelve thousand, forty-three".