117844158 has 8 divisors (see below), whose sum is σ = 235688328. Its totient is φ = 39281384.

The previous prime is 117844117. The next prime is 117844171. The reversal of 117844158 is 851448711.

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

117844158 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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, 9820341 + ... + 9820352.

It is an arithmetic number, because the mean of its divisors is an integer number (29461041).

Almost surely, 2^117844158 is an apocalyptic number.

117844158 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

117844158 is a wasteful number, since it uses less digits than its factorization.

117844158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19640698.

The product of its digits is 35840, while the sum is 39.

The square root of 117844158 is about 10855.6049117495. The cubic root of 117844158 is about 490.2707902110.

The spelling of 117844158 in words is "one hundred seventeen million, eight hundred forty-four thousand, one hundred fifty-eight".