117172711 has 16 divisors (see below), whose sum is σ = 122633280. Its totient is φ = 111870720.

The previous prime is 117172709. The next prime is 117172717. The reversal of 117172711 is 117271711.

It is a cyclic number.

It is not a de Polignac number, because 117172711 - 2¹ = 117172709 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117172711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117172717) 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, 701550 + ... + 701716.

It is an arithmetic number, because the mean of its divisors is an integer number (7664580).

Almost surely, 2^117172711 is an apocalyptic number.

117172711 is a deficient number, since it is larger than the sum of its proper divisors (5460569).

117172711 is a wasteful number, since it uses less digits than its factorization.

117172711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474.

The product of its digits is 686, while the sum is 28.

The square root of 117172711 is about 10824.6344511027. The cubic root of 117172711 is about 489.3378686881.

The spelling of 117172711 in words is "one hundred seventeen million, one hundred seventy-two thousand, seven hundred eleven".