27312237253 has 6 divisors (see below), whose sum is σ = 31771378086. Its totient is φ = 23410489032.

The previous prime is 27312237233. The next prime is 27312237259. The reversal of 27312237253 is 35273221372.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 21555525124 + 5756712129 = 146818^2 + 75873^2 .

It is not a de Polignac number, because 27312237253 - 2¹⁷ = 27312106181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27312237259) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 278696250 + ... + 278696347.

It is an arithmetic number, because the mean of its divisors is an integer number (5295229681).

Almost surely, 2^27312237253 is an apocalyptic number.

It is an amenable number.

27312237253 is a deficient number, since it is larger than the sum of its proper divisors (4459140833).

27312237253 is an equidigital number, since it uses as much as digits as its factorization.

27312237253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557392611 (or 557392604 counting only the distinct ones).

The product of its digits is 105840, while the sum is 37.

The spelling of 27312237253 in words is "twenty-seven billion, three hundred twelve million, two hundred thirty-seven thousand, two hundred fifty-three".