117861308 has 12 divisors (see below), whose sum is σ = 209336232. Its totient is φ = 58050960.

The previous prime is 117861283. The next prime is 117861319. The reversal of 117861308 is 803168711.

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, 219623 + ... + 220158.

It is an arithmetic number, because the mean of its divisors is an integer number (17444686).

Almost surely, 2^117861308 is an apocalyptic number.

It is an amenable number.

117861308 is a deficient number, since it is larger than the sum of its proper divisors (91474924).

117861308 is a wasteful number, since it uses less digits than its factorization.

117861308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439852 (or 439850 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 117861308 is about 10856.3947975375. The cubic root of 117861308 is about 490.2945722871.

The spelling of 117861308 in words is "one hundred seventeen million, eight hundred sixty-one thousand, three hundred eight".