80000008081 has 8 divisors (see below), whose sum is σ = 91807954304. Its totient is φ = 68286905280.

The previous prime is 80000008063. The next prime is 80000008087. The reversal of 80000008081 is 18080000008.

It is a happy number.

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 80000008081 - 2²¹ = 79997910929 is a prime.

It is a super-2 number, since 2×80000008081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80000008087) 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, 23709045 + ... + 23712418.

It is an arithmetic number, because the mean of its divisors is an integer number (11475994288).

Almost surely, 2^80000008081 is an apocalyptic number.

It is an amenable number.

80000008081 is a deficient number, since it is larger than the sum of its proper divisors (11807946223).

80000008081 is a wasteful number, since it uses less digits than its factorization.

80000008081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47421711.

The product of its (nonzero) digits is 512, while the sum is 25.

Adding to 80000008081 its reverse (18080000008), we get a palindrome (98080008089).

The spelling of 80000008081 in words is "eighty billion, eight thousand, eighty-one".