117647927 has 2 divisors, whose sum is σ = 117647928. Its totient is φ = 117647926.

The previous prime is 117647899. The next prime is 117647963. The reversal of 117647927 is 729746711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117647927 - 2⁸ = 117647671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117647977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58823963 + 58823964.

It is an arithmetic number, because the mean of its divisors is an integer number (58823964).

Almost surely, 2^117647927 is an apocalyptic number.

117647927 is a deficient number, since it is larger than the sum of its proper divisors (1).

117647927 is an equidigital number, since it uses as much as digits as its factorization.

117647927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 148176, while the sum is 44.

The square root of 117647927 is about 10846.5629118168. The cubic root of 117647927 is about 489.9985103384.

It can be divided in two parts, 11764 and 7927, that added together give a palindrome (19691).

The spelling of 117647927 in words is "one hundred seventeen million, six hundred forty-seven thousand, nine hundred twenty-seven".