80728080080 has 40 divisors (see below), whose sum is σ = 197571357600. Its totient is φ = 30591692928.

The previous prime is 80728080053. The next prime is 80728080109. The reversal of 80728080080 is 8008082708.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 26553770 + ... + 26556809.

It is an arithmetic number, because the mean of its divisors is an integer number (4939283940).

Almost surely, 2^80728080080 is an apocalyptic number.

80728080080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80728080080 is an abundant number, since it is smaller than the sum of its proper divisors (116843277520).

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

80728080080 is a wasteful number, since it uses less digits than its factorization.

80728080080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53110611 (or 53110605 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 41.

The spelling of 80728080080 in words is "eighty billion, seven hundred twenty-eight million, eighty thousand, eighty".