117498378 has 16 divisors (see below), whose sum is σ = 236034720. Its totient is φ = 38993136.

The previous prime is 117498377. The next prime is 117498379. The reversal of 117498378 is 873894711.

It is an interprime number because it is at equal distance from previous prime (117498377) and next prime (117498379).

It is not an unprimeable number, because it can be changed into a prime (117498377) 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, 41773 + ... + 44496.

It is an arithmetic number, because the mean of its divisors is an integer number (14752170).

Almost surely, 2^117498378 is an apocalyptic number.

117498378 is an abundant number, since it is smaller than the sum of its proper divisors (118536342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117498378 is a wasteful number, since it uses less digits than its factorization.

117498378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86501.

The product of its digits is 338688, while the sum is 48.

The square root of 117498378 is about 10839.6668768002. Note that the first 3 decimals coincide. The cubic root of 117498378 is about 489.7908006046.

The spelling of 117498378 in words is "one hundred seventeen million, four hundred ninety-eight thousand, three hundred seventy-eight".