27723329245 has 16 divisors (see below), whose sum is σ = 33983530560. Its totient is φ = 21706635904.

The previous prime is 27723329219. The next prime is 27723329251. The reversal of 27723329245 is 54292332772.

It is a cyclic number.

It is not a de Polignac number, because 27723329245 - 2⁵ = 27723329213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27723329195 and 27723329204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267760 + ... + 356569.

It is an arithmetic number, because the mean of its divisors is an integer number (2123970660).

Almost surely, 2^27723329245 is an apocalyptic number.

It is an amenable number.

27723329245 is a deficient number, since it is larger than the sum of its proper divisors (6260201315).

27723329245 is a wasteful number, since it uses less digits than its factorization.

27723329245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624524.

The product of its digits is 1270080, while the sum is 46.

The spelling of 27723329245 in words is "twenty-seven billion, seven hundred twenty-three million, three hundred twenty-nine thousand, two hundred forty-five".