80766266708 has 12 divisors (see below), whose sum is σ = 142121857332. Its totient is φ = 40160021760.

The previous prime is 80766266681. The next prime is 80766266741.

80766266708 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 12922687684 + 67843579024 = 113678^2 + 260468^2 .

It is a congruent number.

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, 55777085 + ... + 55778532.

It is an arithmetic number, because the mean of its divisors is an integer number (11843488111).

Almost surely, 2^80766266708 is an apocalyptic number.

It is an amenable number.

80766266708 is a deficient number, since it is larger than the sum of its proper divisors (61355590624).

80766266708 is a wasteful number, since it uses less digits than its factorization.

80766266708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111555802 (or 111555800 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 56.

The spelling of 80766266708 in words is "eighty billion, seven hundred sixty-six million, two hundred sixty-six thousand, seven hundred eight".