27691180147 has 2 divisors, whose sum is σ = 27691180148. Its totient is φ = 27691180146.

The previous prime is 27691180123. The next prime is 27691180171. The reversal of 27691180147 is 74108119672.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (27691180123) and next prime (27691180171).

It is a cyclic number.

It is not a de Polignac number, because 27691180147 - 2⁷ = 27691180019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27691180097 and 27691180106.

It is not a weakly prime, because it can be changed into another prime (27691180547) by changing a digit.

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 as a sum of consecutive naturals, namely, 13845590073 + 13845590074.

It is an arithmetic number, because the mean of its divisors is an integer number (13845590074).

Almost surely, 2^27691180147 is an apocalyptic number.

27691180147 is a deficient number, since it is larger than the sum of its proper divisors (1).

27691180147 is an equidigital number, since it uses as much as digits as its factorization.

27691180147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 46.

The spelling of 27691180147 in words is "twenty-seven billion, six hundred ninety-one million, one hundred eighty thousand, one hundred forty-seven".