180808099 has 2 divisors, whose sum is σ = 180808100. Its totient is φ = 180808098.

The previous prime is 180808091. The next prime is 180808139. The reversal of 180808099 is 990808081.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 180808099 - 2³ = 180808091 is a prime.

It is not a weakly prime, because it can be changed into another prime (180808091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90404049 + 90404050.

It is an arithmetic number, because the mean of its divisors is an integer number (90404050).

Almost surely, 2^180808099 is an apocalyptic number.

180808099 is a deficient number, since it is larger than the sum of its proper divisors (1).

180808099 is an equidigital number, since it uses as much as digits as its factorization.

180808099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 43.

The square root of 180808099 is about 13446.4902112038. The cubic root of 180808099 is about 565.4653007791.

The spelling of 180808099 in words is "one hundred eighty million, eight hundred eight thousand, ninety-nine".