80734000128 has 44 divisors (see below), whose sum is σ = 215185552800. Its totient is φ = 26911332352.

The previous prime is 80734000121. The next prime is 80734000147. The reversal of 80734000128 is 82100043708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80734000121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13137228 + ... + 13143371.

Almost surely, 2^80734000128 is an apocalyptic number.

It is an amenable number.

80734000128 is an abundant number, since it is smaller than the sum of its proper divisors (134451552672).

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

80734000128 is a wasteful number, since it uses less digits than its factorization.

80734000128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26280622 (or 26280604 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The spelling of 80734000128 in words is "eighty billion, seven hundred thirty-four million, one hundred twenty-eight", and thus it is an aban number.