117736427 has 2 divisors, whose sum is σ = 117736428. Its totient is φ = 117736426.

The previous prime is 117736391. The next prime is 117736429. The reversal of 117736427 is 724637711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117736427 - 2¹⁰ = 117735403 is a prime.

Together with 117736429, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (117736429) 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, 58868213 + 58868214.

It is an arithmetic number, because the mean of its divisors is an integer number (58868214).

Almost surely, 2^117736427 is an apocalyptic number.

117736427 is a deficient number, since it is larger than the sum of its proper divisors (1).

117736427 is an equidigital number, since it uses as much as digits as its factorization.

117736427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49392, while the sum is 38.

The square root of 117736427 is about 10850.6417782544. The cubic root of 117736427 is about 490.1213457626.

The spelling of 117736427 in words is "one hundred seventeen million, seven hundred thirty-six thousand, four hundred twenty-seven".