117894305 has 4 divisors (see below), whose sum is σ = 141473172. Its totient is φ = 94315440.

The previous prime is 117894299. The next prime is 117894319. The reversal of 117894305 is 503498711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 503498711 = 103 ⋅4888337.

It can be written as a sum of positive squares in 2 ways, for example, as 67881121 + 50013184 = 8239^2 + 7072^2 .

It is not a de Polignac number, because 117894305 - 2⁶ = 117894241 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 11789426 + ... + 11789435.

It is an arithmetic number, because the mean of its divisors is an integer number (35368293).

Almost surely, 2^117894305 is an apocalyptic number.

It is an amenable number.

117894305 is a deficient number, since it is larger than the sum of its proper divisors (23578867).

117894305 is an equidigital number, since it uses as much as digits as its factorization.

117894305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23578866.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 117894305 is about 10857.9143945787. The cubic root of 117894305 is about 490.3403230675.

The spelling of 117894305 in words is "one hundred seventeen million, eight hundred ninety-four thousand, three hundred five".