117736009 has 2 divisors, whose sum is σ = 117736010. Its totient is φ = 117736008.

The previous prime is 117736007. The next prime is 117736013. The reversal of 117736009 is 900637711.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76737600 + 40998409 = 8760^2 + 6403^2 .

It is a cyclic number.

It is not a de Polignac number, because 117736009 - 2¹ = 117736007 is a prime.

Together with 117736007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (117736001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58868004 + 58868005.

It is an arithmetic number, because the mean of its divisors is an integer number (58868005).

Almost surely, 2^117736009 is an apocalyptic number.

It is an amenable number.

117736009 is a deficient number, since it is larger than the sum of its proper divisors (1).

117736009 is an equidigital number, since it uses as much as digits as its factorization.

117736009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 117736009 is about 10850.6225167038. The cubic root of 117736009 is about 490.1207657354.

The spelling of 117736009 in words is "one hundred seventeen million, seven hundred thirty-six thousand, nine".