80500107187 has 4 divisors (see below), whose sum is σ = 80536650520. Its totient is φ = 80463563856.

The previous prime is 80500107169. The next prime is 80500107199. The reversal of 80500107187 is 78170100508.

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

It is a cyclic number.

It is not a de Polignac number, because 80500107187 - 2¹⁹ = 80499582899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80500107587) 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, 18268362 + ... + 18272767.

It is an arithmetic number, because the mean of its divisors is an integer number (20134162630).

Almost surely, 2^80500107187 is an apocalyptic number.

80500107187 is a deficient number, since it is larger than the sum of its proper divisors (36543333).

80500107187 is a wasteful number, since it uses less digits than its factorization.

80500107187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36543332.

The product of its (nonzero) digits is 15680, while the sum is 37.

The spelling of 80500107187 in words is "eighty billion, five hundred million, one hundred seven thousand, one hundred eighty-seven".