80006081 has 4 divisors (see below), whose sum is σ = 80289072. Its totient is φ = 79723092.

The previous prime is 80006051. The next prime is 80006111. The reversal of 80006081 is 18060008.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (80006051) and next prime (80006111).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80006081 is a prime.

It is a super-2 number, since 2×80006081² = 12801945993957122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80006011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141071 + ... + 141636.

It is an arithmetic number, because the mean of its divisors is an integer number (20072268).

Almost surely, 2^80006081 is an apocalyptic number.

It is an amenable number.

80006081 is a deficient number, since it is larger than the sum of its proper divisors (282991).

80006081 is a wasteful number, since it uses less digits than its factorization.

80006081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282990.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 80006081 is about 8944.6118417738. The cubic root of 80006081 is about 430.8978553276.

Adding to 80006081 its reverse (18060008), we get a palindrome (98066089).

The spelling of 80006081 in words is "eighty million, six thousand, eighty-one".