84080040808 has 16 divisors (see below), whose sum is σ = 163086286500. Its totient is φ = 40590364416.

The previous prime is 84080040799. The next prime is 84080040851. The reversal of 84080040808 is 80804008048.

It can be written as a sum of positive squares in 2 ways, for example, as 84077961444 + 2079364 = 289962^2 + 1442^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181206753 + ... + 181207216.

Almost surely, 2^84080040808 is an apocalyptic number.

It is an amenable number.

84080040808 is a deficient number, since it is larger than the sum of its proper divisors (79006245692).

84080040808 is a wasteful number, since it uses less digits than its factorization.

84080040808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362414004 (or 362414000 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 40.

The spelling of 84080040808 in words is "eighty-four billion, eighty million, forty thousand, eight hundred eight".