180830899 has 4 divisors (see below), whose sum is σ = 188693136. Its totient is φ = 172968664.

The previous prime is 180830879. The next prime is 180830917. The reversal of 180830899 is 998038081.

180830899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 998038081 = 28723 ⋅34747.

It is a cyclic number.

It is not a de Polignac number, because 180830899 - 2¹⁵ = 180798131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (180830879) 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, 3931084 + ... + 3931129.

It is an arithmetic number, because the mean of its divisors is an integer number (47173284).

Almost surely, 2^180830899 is an apocalyptic number.

180830899 is a deficient number, since it is larger than the sum of its proper divisors (7862237).

180830899 is an equidigital number, since it uses as much as digits as its factorization.

180830899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7862236.

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 180830899 is about 13447.3379893569. The cubic root of 180830899 is about 565.4890682745.

The spelling of 180830899 in words is "one hundred eighty million, eight hundred thirty thousand, eight hundred ninety-nine".