28133838826 has 8 divisors (see below), whose sum is σ = 42207881760. Its totient is φ = 14064544908.

The previous prime is 28133838823. The next prime is 28133838827. The reversal of 28133838826 is 62883833182.

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

It is not an unprimeable number, because it can be changed into a prime (28133838823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1172406 + ... + 1196161.

It is an arithmetic number, because the mean of its divisors is an integer number (5275985220).

Almost surely, 2^28133838826 is an apocalyptic number.

28133838826 is a deficient number, since it is larger than the sum of its proper divisors (14074042934).

28133838826 is a wasteful number, since it uses less digits than its factorization.

28133838826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2374508.

The product of its digits is 2654208, while the sum is 52.

The spelling of 28133838826 in words is "twenty-eight billion, one hundred thirty-three million, eight hundred thirty-eight thousand, eight hundred twenty-six".