117899193 has 8 divisors (see below), whose sum is σ = 157304800. Its totient is φ = 78546528.

The previous prime is 117899191. The next prime is 117899207. The reversal of 117899193 is 391998711.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117899193 - 2¹ = 117899191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117899191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7708 + ... + 17181.

It is an arithmetic number, because the mean of its divisors is an integer number (19663100).

Almost surely, 2^117899193 is an apocalyptic number.

It is an amenable number.

117899193 is a deficient number, since it is larger than the sum of its proper divisors (39405607).

117899193 is a wasteful number, since it uses less digits than its factorization.

117899193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26471.

The product of its digits is 122472, while the sum is 48.

The square root of 117899193 is about 10858.1394815134. The cubic root of 117899193 is about 490.3470996186.

The spelling of 117899193 in words is "one hundred seventeen million, eight hundred ninety-nine thousand, one hundred ninety-three".