27746026213 has 16 divisors (see below), whose sum is σ = 29482488000. Its totient is φ = 26021336832.

The previous prime is 27746026183. The next prime is 27746026219. The reversal of 27746026213 is 31262064772.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 27746026213 - 2⁵ = 27746026181 is a prime.

It is a super-3 number, since 3×27746026213³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27746026219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6392398 + ... + 6396736.

It is an arithmetic number, because the mean of its divisors is an integer number (1842655500).

Almost surely, 2^27746026213 is an apocalyptic number.

It is an amenable number.

27746026213 is a deficient number, since it is larger than the sum of its proper divisors (1736461787).

27746026213 is a wasteful number, since it uses less digits than its factorization.

27746026213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5604.

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 27746026213 in words is "twenty-seven billion, seven hundred forty-six million, twenty-six thousand, two hundred thirteen".