28427395268 has 12 divisors (see below), whose sum is σ = 49838892432. Its totient is φ = 14187711720.

The previous prime is 28427395267. The next prime is 28427395289. The reversal of 28427395268 is 86259372482.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28427395267) 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 3 ways as a sum of consecutive naturals, for example, 6494018 + ... + 6498393.

It is an arithmetic number, because the mean of its divisors is an integer number (4153241036).

Almost surely, 2^28427395268 is an apocalyptic number.

It is an amenable number.

28427395268 is a deficient number, since it is larger than the sum of its proper divisors (21411497164).

28427395268 is a wasteful number, since it uses less digits than its factorization.

28427395268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12992962 (or 12992960 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 56.

The spelling of 28427395268 in words is "twenty-eight billion, four hundred twenty-seven million, three hundred ninety-five thousand, two hundred sixty-eight".