117194878 has 8 divisors (see below), whose sum is σ = 175861872. Its totient is φ = 58574256.

The previous prime is 117194863. The next prime is 117194897. The reversal of 117194878 is 878491711.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4375 + ... + 15922.

It is an arithmetic number, because the mean of its divisors is an integer number (21982734).

Almost surely, 2^117194878 is an apocalyptic number.

117194878 is a deficient number, since it is larger than the sum of its proper divisors (58666994).

117194878 is a wasteful number, since it uses less digits than its factorization.

117194878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23186.

The product of its digits is 112896, while the sum is 46.

The square root of 117194878 is about 10825.6583171648. The cubic root of 117194878 is about 489.3687247594.

The spelling of 117194878 in words is "one hundred seventeen million, one hundred ninety-four thousand, eight hundred seventy-eight".