27180080 has 20 divisors (see below), whose sum is σ = 63193872. Its totient is φ = 10872000.

The previous prime is 27180073. The next prime is 27180103. The reversal of 27180080 is 8008172.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

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, 169796 + ... + 169955.

Almost surely, 2^27180080 is an apocalyptic number.

27180080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27180080 is an abundant number, since it is smaller than the sum of its proper divisors (36013792).

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

27180080 is a wasteful number, since it uses less digits than its factorization.

27180080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339764 (or 339758 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 27180080 is about 5213.4518315604. The cubic root of 27180080 is about 300.6654856343.

The spelling of 27180080 in words is "twenty-seven million, one hundred eighty thousand, eighty".