80816009768 has 32 divisors (see below), whose sum is σ = 163239148800. Its totient is φ = 37287588288.

The previous prime is 80816009761. The next prime is 80816009779. The reversal of 80816009768 is 86790061808.

It is not an unprimeable number, because it can be changed into a prime (80816009761) 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 7 ways as a sum of consecutive naturals, for example, 199805 + ... + 448947.

It is an arithmetic number, because the mean of its divisors is an integer number (5101223400).

Almost surely, 2^80816009768 is an apocalyptic number.

It is an amenable number.

80816009768 is an abundant number, since it is smaller than the sum of its proper divisors (82423139032).

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

80816009768 is a wasteful number, since it uses less digits than its factorization.

80816009768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252281 (or 252277 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 53.

The spelling of 80816009768 in words is "eighty billion, eight hundred sixteen million, nine thousand, seven hundred sixty-eight".