80343378043805 has 8 divisors (see below), whose sum is σ = 96429766720992. Its totient is φ = 64262893722768.

The previous prime is 80343378043759. The next prime is 80343378043807. The reversal of 80343378043805 is 50834087334308.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80343378043805 - 2⁸ = 80343378043549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80343378043807) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1476059099 + ... + 1476113528.

It is an arithmetic number, because the mean of its divisors is an integer number (12053720840124).

Almost surely, 2^{80343378043805} is an apocalyptic number.

It is an amenable number.

80343378043805 is a deficient number, since it is larger than the sum of its proper divisors (16086388677187).

80343378043805 is a wasteful number, since it uses less digits than its factorization.

80343378043805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2952178075.

The product of its (nonzero) digits is 23224320, while the sum is 56.

The spelling of 80343378043805 in words is "eighty trillion, three hundred forty-three billion, three hundred seventy-eight million, forty-three thousand, eight hundred five".