80544189 has 8 divisors (see below), whose sum is σ = 117155232. Its totient is φ = 48814640.

The previous prime is 80544187. The next prime is 80544193. The reversal of 80544189 is 98144508.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80544189 - 2¹ = 80544187 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80544187) 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 7 ways as a sum of consecutive naturals, for example, 1220334 + ... + 1220399.

It is an arithmetic number, because the mean of its divisors is an integer number (14644404).

Almost surely, 2^80544189 is an apocalyptic number.

It is an amenable number.

80544189 is a deficient number, since it is larger than the sum of its proper divisors (36611043).

80544189 is a wasteful number, since it uses less digits than its factorization.

80544189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440747.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 80544189 is about 8974.6414413056. The cubic root of 80544189 is about 431.8617473836.

The spelling of 80544189 in words is "eighty million, five hundred forty-four thousand, one hundred eighty-nine".