8080817681 has 8 divisors (see below), whose sum is σ = 8272387200. Its totient is φ = 7891154640.

The previous prime is 8080817671. The next prime is 8080817683. The reversal of 8080817681 is 1867180808.

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 8080817681 - 2⁶ = 8080817617 is a prime.

It is a super-2 number, since 2×8080817681² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8080817683) 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, 468041 + ... + 484998.

It is an arithmetic number, because the mean of its divisors is an integer number (1034048400).

Almost surely, 2^8080817681 is an apocalyptic number.

It is an amenable number.

8080817681 is a deficient number, since it is larger than the sum of its proper divisors (191569519).

8080817681 is a wasteful number, since it uses less digits than its factorization.

8080817681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953239.

The product of its (nonzero) digits is 172032, while the sum is 47.

The square root of 8080817681 is about 89893.3683927797. The cubic root of 8080817681 is about 2006.7122543693.

It can be divided in two parts, 80808 and 17681, that added together give a palindrome (98489).

The spelling of 8080817681 in words is "eight billion, eighty million, eight hundred seventeen thousand, six hundred eighty-one".