117909955 has 8 divisors (see below), whose sum is σ = 141565104. Its totient is φ = 94279200.

The previous prime is 117909941. The next prime is 117910007. The reversal of 117909955 is 559909711.

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

It is not a de Polignac number, because 117909955 - 2⁵ = 117909923 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 7165 + ... + 16945.

It is an arithmetic number, because the mean of its divisors is an integer number (17695638).

Almost surely, 2^117909955 is an apocalyptic number.

117909955 is a deficient number, since it is larger than the sum of its proper divisors (23655149).

117909955 is an equidigital number, since it uses as much as digits as its factorization.

117909955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12197.

The product of its (nonzero) digits is 127575, while the sum is 46.

The square root of 117909955 is about 10858.6350431350. The cubic root of 117909955 is about 490.3620190166.

The spelling of 117909955 in words is "one hundred seventeen million, nine hundred nine thousand, nine hundred fifty-five".