80322724818 has 90 divisors (see below), whose sum is σ = 209433122613. Its totient is φ = 22942135440.

The previous prime is 80322724739. The next prime is 80322724829. The reversal of 80322724818 is 81842722308.

80322724818 is a `hidden beast` number, since 80 + 3 + 22 + 72 + 481 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 61269615729 + 19053109089 = 247527^2 + 138033^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=200403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 25249188 + ... + 25252368.

Almost surely, 2^80322724818 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80322724818

80322724818 is an abundant number, since it is smaller than the sum of its proper divisors (129110397795).

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

80322724818 is an frugal number, since it uses more digits than its factorization.

80322724818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6390 (or 3193 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The spelling of 80322724818 in words is "eighty billion, three hundred twenty-two million, seven hundred twenty-four thousand, eight hundred eighteen".