80544518 has 8 divisors (see below), whose sum is σ = 121266720. Its totient is φ = 40122280.

The previous prime is 80544491. The next prime is 80544533. The reversal of 80544518 is 81544508.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74318 + ... + 75393.

It is an arithmetic number, because the mean of its divisors is an integer number (15158340).

Almost surely, 2^80544518 is an apocalyptic number.

80544518 is a deficient number, since it is larger than the sum of its proper divisors (40722202).

80544518 is a wasteful number, since it uses less digits than its factorization.

80544518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149982.

The product of its (nonzero) digits is 25600, while the sum is 35.

The square root of 80544518 is about 8974.6597707100. The cubic root of 80544518 is about 431.8623353935.

The spelling of 80544518 in words is "eighty million, five hundred forty-four thousand, five hundred eighteen".