28055837338 has 8 divisors (see below), whose sum is σ = 43221154932. Its totient is φ = 13648785696.

The previous prime is 28055837333. The next prime is 28055837351. The reversal of 28055837338 is 83373855082.

It can be written as a sum of positive squares in 2 ways, for example, as 27344921769 + 710915569 = 165363^2 + 26663^2 .

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 (28055837333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189566395 + ... + 189566542.

Almost surely, 2^28055837338 is an apocalyptic number.

28055837338 is a deficient number, since it is larger than the sum of its proper divisors (15165317594).

28055837338 is a wasteful number, since it uses less digits than its factorization.

28055837338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379132976.

The product of its (nonzero) digits is 4838400, while the sum is 52.

The spelling of 28055837338 in words is "twenty-eight billion, fifty-five million, eight hundred thirty-seven thousand, three hundred thirty-eight".