80840808844 has 12 divisors (see below), whose sum is σ = 142723375704. Its totient is φ = 40062701504.

The previous prime is 80840808803. The next prime is 80840808901. The reversal of 80840808844 is 44880804808.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 80840808791 and 80840808800.

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 3 ways as a sum of consecutive naturals, for example, 89425222 + ... + 89426125.

It is an arithmetic number, because the mean of its divisors is an integer number (11893614642).

Almost surely, 2^80840808844 is an apocalyptic number.

It is an amenable number.

80840808844 is a deficient number, since it is larger than the sum of its proper divisors (61882566860).

80840808844 is a wasteful number, since it uses less digits than its factorization.

80840808844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178851464 (or 178851462 counting only the distinct ones).

The product of its (nonzero) digits is 2097152, while the sum is 52.

The spelling of 80840808844 in words is "eighty billion, eight hundred forty million, eight hundred eight thousand, eight hundred forty-four".