117993361 has 4 divisors (see below), whose sum is σ = 118192932. Its totient is φ = 117793792.

The previous prime is 117993341. The next prime is 117993371. The reversal of 117993361 is 163399711.

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

It can be written as a sum of positive squares in 2 ways, for example, as 68558400 + 49434961 = 8280^2 + 7031^2 .

It is a cyclic number.

It is not a de Polignac number, because 117993361 - 2¹⁵ = 117960593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117993341) 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 in 3 ways as a sum of consecutive naturals, for example, 98896 + ... + 100081.

It is an arithmetic number, because the mean of its divisors is an integer number (29548233).

Almost surely, 2^117993361 is an apocalyptic number.

It is an amenable number.

117993361 is a deficient number, since it is larger than the sum of its proper divisors (199571).

117993361 is an equidigital number, since it uses as much as digits as its factorization.

117993361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199570.

The product of its digits is 30618, while the sum is 40.

The square root of 117993361 is about 10862.4749021574. The cubic root of 117993361 is about 490.4776142738.

The spelling of 117993361 in words is "one hundred seventeen million, nine hundred ninety-three thousand, three hundred sixty-one".