80585263808 has 112 divisors (see below), whose sum is σ = 184392198144. Its totient is φ = 34228776960.

The previous prime is 80585263763. The next prime is 80585263813. The reversal of 80585263808 is 80836258508.

It is a tau number, because it is divible by the number of its divisors (112).

It is a self number, because there is not a number n which added to its sum of digits gives 80585263808.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 24075191 + ... + 24078537.

It is an arithmetic number, because the mean of its divisors is an integer number (1646358912).

Almost surely, 2^80585263808 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 80585263808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92196099072).

80585263808 is an abundant number, since it is smaller than the sum of its proper divisors (103806934336).

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

80585263808 is a wasteful number, since it uses less digits than its factorization.

80585263808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3830 (or 3820 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 53.

The spelling of 80585263808 in words is "eighty billion, five hundred eighty-five million, two hundred sixty-three thousand, eight hundred eight".