27732163231 has 8 divisors (see below), whose sum is σ = 28146864960. Its totient is φ = 27318402432.

The previous prime is 27732163229. The next prime is 27732163237. The reversal of 27732163231 is 13236123772.

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 27732163231 - 2¹ = 27732163229 is a prime.

It is a super-2 number, since 2×27732163231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27732163237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175735 + ... + 293848.

It is an arithmetic number, because the mean of its divisors is an integer number (3518358120).

Almost surely, 2^27732163231 is an apocalyptic number.

27732163231 is a deficient number, since it is larger than the sum of its proper divisors (414701729).

27732163231 is an equidigital number, since it uses as much as digits as its factorization.

27732163231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470465.

The product of its digits is 63504, while the sum is 37.

The spelling of 27732163231 in words is "twenty-seven billion, seven hundred thirty-two million, one hundred sixty-three thousand, two hundred thirty-one".