80008091 has 2 divisors, whose sum is σ = 80008092. Its totient is φ = 80008090.

The previous prime is 80008081. The next prime is 80008133. The reversal of 80008091 is 19080008.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80008091 - 2¹⁸ = 79745947 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80008091.

It is not a weakly prime, because it can be changed into another prime (80008051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40004045 + 40004046.

It is an arithmetic number, because the mean of its divisors is an integer number (40004046).

Almost surely, 2^80008091 is an apocalyptic number.

80008091 is a deficient number, since it is larger than the sum of its proper divisors (1).

80008091 is an equidigital number, since it uses as much as digits as its factorization.

80008091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 80008091 is about 8944.7241992137. The cubic root of 80008091 is about 430.9014637926.

Adding to 80008091 its reverse (19080008), we get a palindrome (99088099).

The spelling of 80008091 in words is "eighty million, eight thousand, ninety-one".