80756665708 has 12 divisors (see below), whose sum is σ = 143026866360. Its totient is φ = 39891846752.

The previous prime is 80756665673. The next prime is 80756665711.

80756665708 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121621153 + ... + 121621816.

It is an arithmetic number, because the mean of its divisors is an integer number (11918905530).

Almost surely, 2^80756665708 is an apocalyptic number.

It is an amenable number.

80756665708 is a deficient number, since it is larger than the sum of its proper divisors (62270200652).

80756665708 is a wasteful number, since it uses less digits than its factorization.

80756665708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243243056 (or 243243054 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 58.

The spelling of 80756665708 in words is "eighty billion, seven hundred fifty-six million, six hundred sixty-five thousand, seven hundred eight".