117179091 has 12 divisors (see below), whose sum is σ = 171161640. Its totient is φ = 77241120.

The previous prime is 117179059. The next prime is 117179093. The reversal of 117179091 is 190971711.

It is not a de Polignac number, because 117179091 - 2⁵ = 117179059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117179093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72345 + ... + 73946.

It is an arithmetic number, because the mean of its divisors is an integer number (14263470).

Almost surely, 2^117179091 is an apocalyptic number.

117179091 is a deficient number, since it is larger than the sum of its proper divisors (53982549).

117179091 is a wasteful number, since it uses less digits than its factorization.

117179091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146386 (or 146383 counting only the distinct ones).

The product of its (nonzero) digits is 3969, while the sum is 36.

The square root of 117179091 is about 10824.9291452646. The cubic root of 117179091 is about 489.3467499339.

The spelling of 117179091 in words is "one hundred seventeen million, one hundred seventy-nine thousand, ninety-one".