117109177 has 4 divisors (see below), whose sum is σ = 117137700. Its totient is φ = 117080656.

The previous prime is 117109151. The next prime is 117109189. The reversal of 117109177 is 771901711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25160256 + 91948921 = 5016^2 + 9589^2 .

It is a cyclic number.

It is not a de Polignac number, because 117109177 - 2¹⁹ = 116584889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117109147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6802 + ... + 16747.

It is an arithmetic number, because the mean of its divisors is an integer number (29284425).

Almost surely, 2^117109177 is an apocalyptic number.

It is an amenable number.

117109177 is a deficient number, since it is larger than the sum of its proper divisors (28523).

117109177 is an equidigital number, since it uses as much as digits as its factorization.

117109177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28522.

The product of its (nonzero) digits is 3087, while the sum is 34.

The square root of 117109177 is about 10821.6993582339. The cubic root of 117109177 is about 489.2494089185.

The spelling of 117109177 in words is "one hundred seventeen million, one hundred nine thousand, one hundred seventy-seven".