80189109 has 160 divisors (see below), whose sum is σ = 171730944. Its totient is φ = 35925120.

The previous prime is 80189107. The next prime is 80189111. The reversal of 80189109 is 90198108.

It is an interprime number because it is at equal distance from previous prime (80189107) and next prime (80189111).

It is not a de Polignac number, because 80189109 - 2¹ = 80189107 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80189107) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1864842 + ... + 1864884.

Almost surely, 2^80189109 is an apocalyptic number.

It is an amenable number.

80189109 is an abundant number, since it is smaller than the sum of its proper divisors (91541835).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80189109 is a wasteful number, since it uses less digits than its factorization.

80189109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 36.

The square root of 80189109 is about 8954.8371844495. The cubic root of 80189109 is about 431.2261899898.

The spelling of 80189109 in words is "eighty million, one hundred eighty-nine thousand, one hundred nine".