27352772613 has 24 divisors (see below), whose sum is σ = 40463815392. Its totient is φ = 17795500128.

The previous prime is 27352772611. The next prime is 27352772617. The reversal of 27352772613 is 31627725372.

It is a happy number.

27352772613 is a `hidden beast` number, since 2 + 7 + 3 + 5 + 27 + 7 + 2 + 613 = 666.

It is not a de Polignac number, because 27352772613 - 2¹ = 27352772611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27352772611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 419695 + ... + 480467.

It is an arithmetic number, because the mean of its divisors is an integer number (1685992308).

Almost surely, 2^27352772613 is an apocalyptic number.

It is an amenable number.

27352772613 is a deficient number, since it is larger than the sum of its proper divisors (13111042779).

27352772613 is a wasteful number, since it uses less digits than its factorization.

27352772613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61985 (or 61982 counting only the distinct ones).

The product of its digits is 740880, while the sum is 45.

The spelling of 27352772613 in words is "twenty-seven billion, three hundred fifty-two million, seven hundred seventy-two thousand, six hundred thirteen".