117704163 has 4 divisors (see below), whose sum is σ = 156938888. Its totient is φ = 78469440.

The previous prime is 117704161. The next prime is 117704203. The reversal of 117704163 is 361407711.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 117704163 - 2¹ = 117704161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117704163.

It is not an unprimeable number, because it can be changed into a prime (117704161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19617358 + ... + 19617363.

It is an arithmetic number, because the mean of its divisors is an integer number (39234722).

Almost surely, 2^117704163 is an apocalyptic number.

117704163 is a deficient number, since it is larger than the sum of its proper divisors (39234725).

117704163 is an equidigital number, since it uses as much as digits as its factorization.

117704163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39234724.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 117704163 is about 10849.1549440498. The cubic root of 117704163 is about 490.0765714017.

The spelling of 117704163 in words is "one hundred seventeen million, seven hundred four thousand, one hundred sixty-three".