27909641107 has 2 divisors, whose sum is σ = 27909641108. Its totient is φ = 27909641106.

The previous prime is 27909641087. The next prime is 27909641117. The reversal of 27909641107 is 70114690972.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27909641107 is a prime.

It is not a weakly prime, because it can be changed into another prime (27909641117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13954820553 + 13954820554.

It is an arithmetic number, because the mean of its divisors is an integer number (13954820554).

Almost surely, 2^27909641107 is an apocalyptic number.

27909641107 is a deficient number, since it is larger than the sum of its proper divisors (1).

27909641107 is an equidigital number, since it uses as much as digits as its factorization.

27909641107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 46.

The spelling of 27909641107 in words is "twenty-seven billion, nine hundred nine million, six hundred forty-one thousand, one hundred seven".