28112342206 has 8 divisors (see below), whose sum is σ = 45412245144. Its totient is φ = 12974927160.

The previous prime is 28112342177. The next prime is 28112342231. The reversal of 28112342206 is 60224321182.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 540621940 + ... + 540621991.

It is an arithmetic number, because the mean of its divisors is an integer number (5676530643).

Almost surely, 2^28112342206 is an apocalyptic number.

28112342206 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28112342206 is a deficient number, since it is larger than the sum of its proper divisors (17299902938).

28112342206 is a wasteful number, since it uses less digits than its factorization.

28112342206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081243946.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 28112342206 its reverse (60224321182), we get a palindrome (88336663388).

The spelling of 28112342206 in words is "twenty-eight billion, one hundred twelve million, three hundred forty-two thousand, two hundred six".