117873147 has 16 divisors (see below), whose sum is σ = 179903232. Its totient is φ = 67248480.

The previous prime is 117873143. The next prime is 117873163. The reversal of 117873147 is 741378711.

It is a happy number.

It is not a de Polignac number, because 117873147 - 2² = 117873143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117873143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10072 + ... + 18362.

It is an arithmetic number, because the mean of its divisors is an integer number (11243952).

Almost surely, 2^117873147 is an apocalyptic number.

117873147 is a deficient number, since it is larger than the sum of its proper divisors (62030085).

117873147 is an equidigital number, since it uses as much as digits as its factorization.

117873147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8978.

The product of its digits is 32928, while the sum is 39.

The square root of 117873147 is about 10856.9400385191. The cubic root of 117873147 is about 490.3109882005.

The spelling of 117873147 in words is "one hundred seventeen million, eight hundred seventy-three thousand, one hundred forty-seven".