117144177 has 16 divisors (see below), whose sum is σ = 165120000. Its totient is φ = 73667664.

The previous prime is 117144121. The next prime is 117144193. The reversal of 117144177 is 771441711.

It is not a de Polignac number, because 117144177 - 2¹⁰ = 117143153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117143177) 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, 9324 + ... + 17922.

It is an arithmetic number, because the mean of its divisors is an integer number (10320000).

Almost surely, 2^117144177 is an apocalyptic number.

It is an amenable number.

117144177 is a deficient number, since it is larger than the sum of its proper divisors (47975823).

117144177 is a wasteful number, since it uses less digits than its factorization.

117144177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8860.

The product of its digits is 5488, while the sum is 33.

The square root of 117144177 is about 10823.3163586768. The cubic root of 117144177 is about 489.2981441362.

Adding to 117144177 its reverse (771441711), we get a palindrome (888585888).

The spelling of 117144177 in words is "one hundred seventeen million, one hundred forty-four thousand, one hundred seventy-seven".