80761866816708 has 144 divisors (see below), whose sum is σ = 254592530390016. Its totient is φ = 20971315673280.

The previous prime is 80761866816661. The next prime is 80761866816721.

80761866816708 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6022135 + ... + 14063777.

It is an arithmetic number, because the mean of its divisors is an integer number (1768003683264).

Almost surely, 2^{80761866816708} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80761866816708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127296265195008).

80761866816708 is an abundant number, since it is smaller than the sum of its proper divisors (173830663573308).

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

80761866816708 is a wasteful number, since it uses less digits than its factorization.

80761866816708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8045294 (or 8045289 counting only the distinct ones).

The product of its (nonzero) digits is 260112384, while the sum is 72.

The spelling of 80761866816708 in words is "eighty trillion, seven hundred sixty-one billion, eight hundred sixty-six million, eight hundred sixteen thousand, seven hundred eight".