28383826338 has 72 divisors (see below), whose sum is σ = 74649264768. Its totient is φ = 7757065008.

The previous prime is 28383826337. The next prime is 28383826349. The reversal of 28383826338 is 83362838382.

28383826338 is a `hidden beast` number, since 283 + 8 + 3 + 8 + 26 + 338 = 666.

It is not an unprimeable number, because it can be changed into a prime (28383826337) 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 35 ways as a sum of consecutive naturals, for example, 679306 + ... + 719877.

It is an arithmetic number, because the mean of its divisors is an integer number (1036795344).

Almost surely, 2^28383826338 is an apocalyptic number.

28383826338 is an abundant number, since it is smaller than the sum of its proper divisors (46265438430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28383826338 is a wasteful number, since it uses less digits than its factorization.

28383826338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399228 (or 1399218 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 54.

The spelling of 28383826338 in words is "twenty-eight billion, three hundred eighty-three million, eight hundred twenty-six thousand, three hundred thirty-eight".