27826126147 has 4 divisors (see below), whose sum is σ = 27826506576. Its totient is φ = 27825745720.

The previous prime is 27826126129. The next prime is 27826126157. The reversal of 27826126147 is 74162162872.

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

It is a cyclic number.

It is not a de Polignac number, because 27826126147 - 2²³ = 27817737539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27826126097 and 27826126106.

It is not an unprimeable number, because it can be changed into a prime (27826126127) 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 3 ways as a sum of consecutive naturals, for example, 42004 + ... + 239617.

It is an arithmetic number, because the mean of its divisors is an integer number (6956626644).

Almost surely, 2^27826126147 is an apocalyptic number.

27826126147 is a deficient number, since it is larger than the sum of its proper divisors (380429).

27826126147 is an equidigital number, since it uses as much as digits as its factorization.

27826126147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380428.

The product of its digits is 451584, while the sum is 46.

The spelling of 27826126147 in words is "twenty-seven billion, eight hundred twenty-six million, one hundred twenty-six thousand, one hundred forty-seven".