80802731564544 has 80 divisors (see below), whose sum is σ = 234832938658560. Its totient is φ = 24485676226560.

The previous prime is 80802731564507. The next prime is 80802731564641. The reversal of 80802731564544 is 44546513720808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2391162424 + ... + 2391196215.

It is an arithmetic number, because the mean of its divisors is an integer number (2935411733232).

Almost surely, 2^{80802731564544} is an apocalyptic number.

It is an amenable number.

80802731564544 is an abundant number, since it is smaller than the sum of its proper divisors (154030207094016).

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

80802731564544 is a wasteful number, since it uses less digits than its factorization.

80802731564544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4782358671 (or 4782358655 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 57.

The spelling of 80802731564544 in words is "eighty trillion, eight hundred two billion, seven hundred thirty-one million, five hundred sixty-four thousand, five hundred forty-four".