80637317672671 has 16 divisors (see below), whose sum is σ = 81263878778880. Its totient is φ = 80013139224480.

The previous prime is 80637317672657. The next prime is 80637317672711. The reversal of 80637317672671 is 17627671373608.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 80637317672671 - 2¹⁵ = 80637317639903 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 (80637317612671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120718720 + ... + 121384858.

It is an arithmetic number, because the mean of its divisors is an integer number (5078992423680).

Almost surely, 2^{80637317672671} is an apocalyptic number.

80637317672671 is a deficient number, since it is larger than the sum of its proper divisors (626561106209).

80637317672671 is a wasteful number, since it uses less digits than its factorization.

80637317672671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667926.

The product of its (nonzero) digits is 74680704, while the sum is 64.

The spelling of 80637317672671 in words is "eighty trillion, six hundred thirty-seven billion, three hundred seventeen million, six hundred seventy-two thousand, six hundred seventy-one".