80195132808 has 320 divisors, whose sum is σ = 265945067520. Its totient is φ = 22093948800.

The previous prime is 80195132747. The next prime is 80195132837. The reversal of 80195132808 is 80823159108.

It is a happy number.

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 79 ways as a sum of consecutive naturals, for example, 46543035 + ... + 46544757.

It is an arithmetic number, because the mean of its divisors is an integer number (831078336).

Almost surely, 2^80195132808 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 80195132808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132972533760).

80195132808 is an abundant number, since it is smaller than the sum of its proper divisors (185749934712).

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

80195132808 is a wasteful number, since it uses less digits than its factorization.

80195132808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110 (or 2097 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The spelling of 80195132808 in words is "eighty billion, one hundred ninety-five million, one hundred thirty-two thousand, eight hundred eight".