28208546116 has 27 divisors (see below), whose sum is σ = 50044817151. Its totient is φ = 13912637544.

The previous prime is 28208546111. The next prime is 28208546203. The reversal of 28208546116 is 61164580282.

The square root of 28208546116 is 167954.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28208546111) 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 8 ways as a sum of consecutive naturals, for example, 26536201 + ... + 26537263.

Almost surely, 2^28208546116 is an apocalyptic number.

28208546116 is the 167954-th square number.

It is an amenable number.

28208546116 is a deficient number, since it is larger than the sum of its proper divisors (21836271035).

28208546116 is an frugal number, since it uses more digits than its factorization.

28208546116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288 (or 1144 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The spelling of 28208546116 in words is "twenty-eight billion, two hundred eight million, five hundred forty-six thousand, one hundred sixteen".