27180117085 has 64 divisors (see below), whose sum is σ = 37112463360. Its totient is φ = 18937152000.

The previous prime is 27180117067. The next prime is 27180117119. The reversal of 27180117085 is 58071108172.

It is not a de Polignac number, because 27180117085 - 2¹¹ = 27180115037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48277014 + ... + 48277576.

It is an arithmetic number, because the mean of its divisors is an integer number (579882240).

Almost surely, 2^27180117085 is an apocalyptic number.

It is an amenable number.

27180117085 is a deficient number, since it is larger than the sum of its proper divisors (9932346275).

27180117085 is a wasteful number, since it uses less digits than its factorization.

27180117085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970.

The product of its (nonzero) digits is 31360, while the sum is 40.

The spelling of 27180117085 in words is "twenty-seven billion, one hundred eighty million, one hundred seventeen thousand, eighty-five".