27231270361 has 15 divisors (see below), whose sum is σ = 28983964233. Its totient is φ = 25584545760.

The previous prime is 27231270359. The next prime is 27231270401. The reversal of 27231270361 is 16307213272.

The square root of 27231270361 is 165019.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8451308761 + 18779961600 = 91931^2 + 137040^2 .

It is not a de Polignac number, because 27231270361 - 2¹ = 27231270359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27231270961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 47690206 + ... + 47690776.

Almost surely, 2^27231270361 is an apocalyptic number.

27231270361 is the 165019-th square number.

27231270361 is the 82510-th centered octagonal number.

It is an amenable number.

27231270361 is a deficient number, since it is larger than the sum of its proper divisors (1752693872).

27231270361 is an frugal number, since it uses more digits than its factorization.

27231270361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 34.

The spelling of 27231270361 in words is "twenty-seven billion, two hundred thirty-one million, two hundred seventy thousand, three hundred sixty-one".