80681334800 has 60 divisors (see below), whose sum is σ = 211458455376. Its totient is φ = 29338665600.

The previous prime is 80681334787. The next prime is 80681334803. The reversal of 80681334800 is 843318608.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (80681334803) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 9163934 + ... + 9172733.

Almost surely, 2^80681334800 is an apocalyptic number.

80681334800 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80681334800 is an abundant number, since it is smaller than the sum of its proper divisors (130777120576).

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

80681334800 is a wasteful number, since it uses less digits than its factorization.

80681334800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18336696 (or 18336685 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The spelling of 80681334800 in words is "eighty billion, six hundred eighty-one million, three hundred thirty-four thousand, eight hundred".