28059416728996 has 9 divisors (see below), whose sum is σ = 49103997815649. Its totient is φ = 14029703067384.

The previous prime is 28059416728979. The next prime is 28059416729083. The reversal of 28059416728996 is 69982761495082.

The square root of 28059416728996 is 5297114.

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

It can be written as a sum of positive squares in only one way, i.e., 22100623276900 + 5958793452096 = 4701130^2 + 2441064^2 .

It is a Duffinian number.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 9269950 + ... + 11918506.

Almost surely, 2^{28059416728996} is an apocalyptic number.

28059416728996 is the 5297114-th square number.

It is an amenable number.

28059416728996 is a deficient number, since it is larger than the sum of its proper divisors (21044581086653).

28059416728996 is an frugal number, since it uses more digits than its factorization.

28059416728996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5297118 (or 2648559 counting only the distinct ones).

The product of its (nonzero) digits is 940584960, while the sum is 76.

The spelling of 28059416728996 in words is "twenty-eight trillion, fifty-nine billion, four hundred sixteen million, seven hundred twenty-eight thousand, nine hundred ninety-six".