117642359 has 2 divisors, whose sum is σ = 117642360. Its totient is φ = 117642358.

The previous prime is 117642341. The next prime is 117642361. The reversal of 117642359 is 953246711.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117642359 is a prime.

Together with 117642361, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117642659) 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, 58821179 + 58821180.

It is an arithmetic number, because the mean of its divisors is an integer number (58821180).

Almost surely, 2^117642359 is an apocalyptic number.

117642359 is a deficient number, since it is larger than the sum of its proper divisors (1).

117642359 is an equidigital number, since it uses as much as digits as its factorization.

117642359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 38.

The square root of 117642359 is about 10846.3062376092. The cubic root of 117642359 is about 489.9907800570.

The spelling of 117642359 in words is "one hundred seventeen million, six hundred forty-two thousand, three hundred fifty-nine".