8081343582791 has 8 divisors (see below), whose sum is σ = 8086222586880. Its totient is φ = 8076466023352.

The previous prime is 8081343582779. The next prime is 8081343582797. The reversal of 8081343582791 is 1972853431808.

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 8081343582791 - 2⁶ = 8081343582727 is a prime.

It is a super-3 number, since 3×8081343582791³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8081343582791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8081343582797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10936556 + ... + 11652078.

It is an arithmetic number, because the mean of its divisors is an integer number (1010777823360).

Almost surely, 2^{8081343582791} is an apocalyptic number.

8081343582791 is a deficient number, since it is larger than the sum of its proper divisors (4879004089).

8081343582791 is a wasteful number, since it uses less digits than its factorization.

8081343582791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722325.

The product of its (nonzero) digits is 11612160, while the sum is 59.

The spelling of 8081343582791 in words is "eight trillion, eighty-one billion, three hundred forty-three million, five hundred eighty-two thousand, seven hundred ninety-one".