27086532965 has 8 divisors (see below), whose sum is σ = 32614775928. Its totient is φ = 21595268800.

The previous prime is 27086532923. The next prime is 27086532971. The reversal of 27086532965 is 56923568072.

It can be written as a sum of positive squares in 4 ways, for example, as 8230299841 + 18856233124 = 90721^2 + 137318^2 .

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

It is not a de Polignac number, because 27086532965 - 2⁸ = 27086532709 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 9243086 + ... + 9246015.

It is an arithmetic number, because the mean of its divisors is an integer number (4076846991).

Almost surely, 2^27086532965 is an apocalyptic number.

It is an amenable number.

27086532965 is a deficient number, since it is larger than the sum of its proper divisors (5528242963).

27086532965 is a wasteful number, since it uses less digits than its factorization.

27086532965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18489399.

The product of its (nonzero) digits is 5443200, while the sum is 53.

The spelling of 27086532965 in words is "twenty-seven billion, eighty-six million, five hundred thirty-two thousand, nine hundred sixty-five".