117891175 has 24 divisors (see below), whose sum is σ = 155561472. Its totient is φ = 88320000.

The previous prime is 117891173. The next prime is 117891197. The reversal of 117891175 is 571198711.

It is not a de Polignac number, because 117891175 - 2¹ = 117891173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117891173) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 101850 + ... + 103000.

It is an arithmetic number, because the mean of its divisors is an integer number (6481728).

Almost surely, 2^117891175 is an apocalyptic number.

117891175 is a deficient number, since it is larger than the sum of its proper divisors (37670297).

117891175 is a wasteful number, since it uses less digits than its factorization.

117891175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419 (or 1414 counting only the distinct ones).

The product of its digits is 17640, while the sum is 40.

The square root of 117891175 is about 10857.7702591278. The cubic root of 117891175 is about 490.3359836472.

The spelling of 117891175 in words is "one hundred seventeen million, eight hundred ninety-one thousand, one hundred seventy-five".