27005060065 has 8 divisors (see below), whose sum is σ = 34312311720. Its totient is φ = 20333221632.

The previous prime is 27005060053. The next prime is 27005060141. The reversal of 27005060065 is 56006050072.

It can be written as a sum of positive squares in 4 ways, for example, as 4618017936 + 22387042129 = 67956^2 + 149623^2 .

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 27005060065 - 2⁹ = 27005059553 is a prime.

It is a super-2 number, since 2×27005060065² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158853210 + ... + 158853379.

It is an arithmetic number, because the mean of its divisors is an integer number (4289038965).

Almost surely, 2^27005060065 is an apocalyptic number.

It is an amenable number.

27005060065 is a deficient number, since it is larger than the sum of its proper divisors (7307251655).

27005060065 is a wasteful number, since it uses less digits than its factorization.

27005060065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317706611.

The product of its (nonzero) digits is 12600, while the sum is 31.

The spelling of 27005060065 in words is "twenty-seven billion, five million, sixty thousand, sixty-five".