27071108089 has 9 divisors (see below), whose sum is σ = 27754399309. Its totient is φ = 26404255840.

The previous prime is 27071108087. The next prime is 27071108101. The reversal of 27071108089 is 98080117072.

It is a happy number.

The square root of 27071108089 is 164533.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 986274025 + 26084834064 = 31405^2 + 161508^2 .

It is not a de Polignac number, because 27071108089 - 2¹ = 27071108087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27071108087) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6743847 + ... + 6747859.

Almost surely, 2^27071108089 is an apocalyptic number.

27071108089 is the 164533-rd square number.

27071108089 is the 82267-th centered octagonal number.

It is an amenable number.

27071108089 is a deficient number, since it is larger than the sum of its proper divisors (683291220).

27071108089 is an frugal number, since it uses more digits than its factorization.

27071108089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8108 (or 4054 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 43.

The spelling of 27071108089 in words is "twenty-seven billion, seventy-one million, one hundred eight thousand, eighty-nine".