80728096 has 12 divisors (see below), whose sum is σ = 158933502. Its totient is φ = 40364032.

The previous prime is 80728079. The next prime is 80728097. The reversal of 80728096 is 69082708.

It can be written as a sum of positive squares in only one way, i.e., 76807696 + 3920400 = 8764^2 + 1980^2 .

It is not an unprimeable number, because it can be changed into a prime (80728097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1261345 + ... + 1261408.

Almost surely, 2^80728096 is an apocalyptic number.

It is an amenable number.

80728096 is a deficient number, since it is larger than the sum of its proper divisors (78205406).

80728096 is a wasteful number, since it uses less digits than its factorization.

80728096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522763 (or 2522755 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 80728096 is about 8984.8815239824. The cubic root of 80728096 is about 432.1901883193.

The spelling of 80728096 in words is "eighty million, seven hundred twenty-eight thousand, ninety-six".