27180284485 has 16 divisors (see below), whose sum is σ = 32863320000. Its totient is φ = 21579693696.

The previous prime is 27180284473. The next prime is 27180284513. The reversal of 27180284485 is 58448208172.

It is a cyclic number.

It is not a de Polignac number, because 27180284485 - 2¹⁹ = 27179760197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2426217 + ... + 2437393.

It is an arithmetic number, because the mean of its divisors is an integer number (2053957500).

Almost surely, 2^27180284485 is an apocalyptic number.

It is an amenable number.

27180284485 is a deficient number, since it is larger than the sum of its proper divisors (5683035515).

27180284485 is a wasteful number, since it uses less digits than its factorization.

27180284485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14820.

The product of its (nonzero) digits is 1146880, while the sum is 49.

The spelling of 27180284485 in words is "twenty-seven billion, one hundred eighty million, two hundred eighty-four thousand, four hundred eighty-five".