80471041808 has 20 divisors (see below), whose sum is σ = 155961148428. Its totient is φ = 40223003520.

The previous prime is 80471041787. The next prime is 80471041813. The reversal of 80471041808 is 80814017408.

It can be written as a sum of positive squares in 2 ways, for example, as 60384215824 + 20086825984 = 245732^2 + 141728^2 .

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729191 + ... + 832262.

Almost surely, 2^80471041808 is an apocalyptic number.

It is an amenable number.

80471041808 is a deficient number, since it is larger than the sum of its proper divisors (75490106620).

80471041808 is a wasteful number, since it uses less digits than its factorization.

80471041808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564682 (or 1564676 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 41.

The spelling of 80471041808 in words is "eighty billion, four hundred seventy-one million, forty-one thousand, eight hundred eight".