117981358 has 8 divisors (see below), whose sum is σ = 193060440. Its totient is φ = 53627880.

The previous prime is 117981323. The next prime is 117981371. The reversal of 117981358 is 853189711.

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, 2681373 + ... + 2681416.

It is an arithmetic number, because the mean of its divisors is an integer number (24132555).

Almost surely, 2^117981358 is an apocalyptic number.

117981358 is a deficient number, since it is larger than the sum of its proper divisors (75079082).

117981358 is a wasteful number, since it uses less digits than its factorization.

117981358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5362802.

The product of its digits is 60480, while the sum is 43.

The square root of 117981358 is about 10861.9223897062. The cubic root of 117981358 is about 490.4609822577.

The spelling of 117981358 in words is "one hundred seventeen million, nine hundred eighty-one thousand, three hundred fifty-eight".