27672214613 has 4 divisors (see below), whose sum is σ = 28626428940. Its totient is φ = 26718000288.

The previous prime is 27672214561. The next prime is 27672214657. The reversal of 27672214613 is 31641227672.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18500896324 + 9171318289 = 136018^2 + 95767^2 .

It is a cyclic number.

It is not a de Polignac number, because 27672214613 - 2¹⁰ = 27672213589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27672214673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477107120 + ... + 477107177.

It is an arithmetic number, because the mean of its divisors is an integer number (7156607235).

Almost surely, 2^27672214613 is an apocalyptic number.

It is an amenable number.

27672214613 is a deficient number, since it is larger than the sum of its proper divisors (954214327).

27672214613 is an equidigital number, since it uses as much as digits as its factorization.

27672214613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954214326.

The product of its digits is 169344, while the sum is 41.

The spelling of 27672214613 in words is "twenty-seven billion, six hundred seventy-two million, two hundred fourteen thousand, six hundred thirteen".