117718093 has 4 divisors (see below), whose sum is σ = 120589308. Its totient is φ = 114846880.

The previous prime is 117718063. The next prime is 117718099. The reversal of 117718093 is 390817711.

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 30052324 + 87665769 = 5482^2 + 9363^2 .

It is a cyclic number.

It is not a de Polignac number, because 117718093 - 2⁵ = 117718061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117718099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1435546 + ... + 1435627.

It is an arithmetic number, because the mean of its divisors is an integer number (30147327).

Almost surely, 2^117718093 is an apocalyptic number.

It is an amenable number.

117718093 is a deficient number, since it is larger than the sum of its proper divisors (2871215).

117718093 is an equidigital number, since it uses as much as digits as its factorization.

117718093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871214.

The product of its (nonzero) digits is 10584, while the sum is 37.

The square root of 117718093 is about 10849.7969105417. The cubic root of 117718093 is about 490.0959037606.

The spelling of 117718093 in words is "one hundred seventeen million, seven hundred eighteen thousand, ninety-three".