80384957956401 has 16 divisors (see below), whose sum is σ = 124991188272000. Its totient is φ = 45934261688784.

The previous prime is 80384957956357. The next prime is 80384957956403. The reversal of 80384957956401 is 10465975948308.

It is not a de Polignac number, because 80384957956401 - 2¹³ = 80384957948209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80384957956403) 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 15 ways as a sum of consecutive naturals, for example, 39059745306 + ... + 39059747363.

It is an arithmetic number, because the mean of its divisors is an integer number (7811949267000).

Almost surely, 2^{80384957956401} is an apocalyptic number.

It is an amenable number.

80384957956401 is a deficient number, since it is larger than the sum of its proper divisors (44606230315599).

80384957956401 is an equidigital number, since it uses as much as digits as its factorization.

80384957956401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78119492693 (or 78119492679 counting only the distinct ones).

The product of its (nonzero) digits is 261273600, while the sum is 69.

The spelling of 80384957956401 in words is "eighty trillion, three hundred eighty-four billion, nine hundred fifty-seven million, nine hundred fifty-six thousand, four hundred one".