117111279 has 8 divisors (see below), whose sum is σ = 157530672. Its totient is φ = 77383040.

The previous prime is 117111271. The next prime is 117111347. The reversal of 117111279 is 972111711.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117111279 - 2³ = 117111271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117111271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172392 + ... + 173069.

It is an arithmetic number, because the mean of its divisors is an integer number (19691334).

Almost surely, 2^117111279 is an apocalyptic number.

117111279 is a deficient number, since it is larger than the sum of its proper divisors (40419393).

117111279 is a wasteful number, since it uses less digits than its factorization.

117111279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345577.

The product of its digits is 882, while the sum is 30.

The square root of 117111279 is about 10821.7964774801. The cubic root of 117111279 is about 489.2523360905.

The spelling of 117111279 in words is "one hundred seventeen million, one hundred eleven thousand, two hundred seventy-nine".