80047543816800 has 1296 divisors, whose sum is σ = 341537644191744. Its totient is φ = 17570891520000.

The previous prime is 80047543816781. The next prime is 80047543816847. The reversal of 80047543816800 is 861834574008.

80047543816800 is a `hidden beast` number, since 8 + 0 + 0 + 4 + 7 + 543 + 8 + 16 + 80 + 0 = 666.

It is a super-2 number, since 2×80047543816800² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 1432692865 + ... + 1432748735.

It is an arithmetic number, because the mean of its divisors is an integer number (263532132864).

Almost surely, 2^{80047543816800} is an apocalyptic number.

80047543816800 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80047543816800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170768822095872).

80047543816800 is an abundant number, since it is smaller than the sum of its proper divisors (261490100374944).

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

80047543816800 is a wasteful number, since it uses less digits than its factorization.

80047543816800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56073 (or 56050 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The spelling of 80047543816800 in words is "eighty trillion, forty-seven billion, five hundred forty-three million, eight hundred sixteen thousand, eight hundred".