27017225945 has 8 divisors (see below), whose sum is σ = 34327769544. Its totient is φ = 20342381824.

The previous prime is 27017225903. The next prime is 27017225951. The reversal of 27017225945 is 54952271072.

It can be written as a sum of positive squares in 4 ways, for example, as 3366784576 + 23650441369 = 58024^2 + 153787^2 .

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 27017225945 - 2²⁰ = 27016177369 is a prime.

It is a super-2 number, since 2×27017225945² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27017225896 and 27017225905.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158924774 + ... + 158924943.

It is an arithmetic number, because the mean of its divisors is an integer number (4290971193).

Almost surely, 2^27017225945 is an apocalyptic number.

It is an amenable number.

27017225945 is a deficient number, since it is larger than the sum of its proper divisors (7310543599).

27017225945 is a wasteful number, since it uses less digits than its factorization.

27017225945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317849739.

The product of its (nonzero) digits is 352800, while the sum is 44.

The spelling of 27017225945 in words is "twenty-seven billion, seventeen million, two hundred twenty-five thousand, nine hundred forty-five".