2080686187 has 4 divisors (see below), whose sum is σ = 2081015176. Its totient is φ = 2080357200.

The previous prime is 2080686119. The next prime is 2080686199. The reversal of 2080686187 is 7816860802.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2080686187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2080626187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154818 + ... + 167719.

It is an arithmetic number, because the mean of its divisors is an integer number (520253794).

Almost surely, 2^2080686187 is an apocalyptic number.

2080686187 is a deficient number, since it is larger than the sum of its proper divisors (328989).

2080686187 is an equidigital number, since it uses as much as digits as its factorization.

2080686187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328988.

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 2080686187 is about 45614.5392062662. The cubic root of 2080686187 is about 1276.6412158604.

The spelling of 2080686187 in words is "two billion, eighty million, six hundred eighty-six thousand, one hundred eighty-seven".