117909949 has 8 divisors (see below), whose sum is σ = 119624960. Its totient is φ = 116200656.

The previous prime is 117909941. The next prime is 117910007. The reversal of 117909949 is 949909711.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 117909949 - 2³ = 117909941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117909941) 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, 56407 + ... + 58459.

It is an arithmetic number, because the mean of its divisors is an integer number (14953120).

Almost surely, 2^117909949 is an apocalyptic number.

It is an amenable number.

117909949 is a deficient number, since it is larger than the sum of its proper divisors (1715011).

117909949 is an equidigital number, since it uses as much as digits as its factorization.

117909949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2859.

The product of its (nonzero) digits is 183708, while the sum is 49.

The square root of 117909949 is about 10858.6347668572. The cubic root of 117909949 is about 490.3620106990.

The spelling of 117909949 in words is "one hundred seventeen million, nine hundred nine thousand, nine hundred forty-nine".