28339228392 has 16 divisors (see below), whose sum is σ = 70848071040. Its totient is φ = 9446409456.

The previous prime is 28339228387. The next prime is 28339228451. The reversal of 28339228392 is 29382293382.

It is a super-2 number, since 2×28339228392² (a number of 22 digits) contains 22 as substring.

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, 590400568 + ... + 590400615.

It is an arithmetic number, because the mean of its divisors is an integer number (4428004440).

Almost surely, 2^28339228392 is an apocalyptic number.

It is an amenable number.

28339228392 is an abundant number, since it is smaller than the sum of its proper divisors (42508842648).

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

28339228392 is a wasteful number, since it uses less digits than its factorization.

28339228392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180801192 (or 1180801188 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 51.

The spelling of 28339228392 in words is "twenty-eight billion, three hundred thirty-nine million, two hundred twenty-eight thousand, three hundred ninety-two".