117909950 has 48 divisors (see below), whose sum is σ = 226626864. Its totient is φ = 45619200.

The previous prime is 117909941. The next prime is 117910007. The reversal of 117909950 is 59909711.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 117909898 and 117909907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204062 + ... + 204638.

It is an arithmetic number, because the mean of its divisors is an integer number (4721393).

Almost surely, 2^117909950 is an apocalyptic number.

117909950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117909950 is a deficient number, since it is larger than the sum of its proper divisors (108716914).

117909950 is a wasteful number, since it uses less digits than its factorization.

117909950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717 (or 712 counting only the distinct ones).

The product of its (nonzero) digits is 25515, while the sum is 41.

The square root of 117909950 is about 10858.6348129035. The cubic root of 117909950 is about 490.3620120853.

The spelling of 117909950 in words is "one hundred seventeen million, nine hundred nine thousand, nine hundred fifty".