117605567 has 4 divisors (see below), whose sum is σ = 117627360. Its totient is φ = 117583776.

The previous prime is 117605557. The next prime is 117605581. The reversal of 117605567 is 765506711.

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

It is a cyclic number.

It is not a de Polignac number, because 117605567 - 2²⁶ = 50496703 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 117605567.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117605557) 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 3 ways as a sum of consecutive naturals, for example, 3863 + ... + 15815.

It is an arithmetic number, because the mean of its divisors is an integer number (29406840).

Almost surely, 2^117605567 is an apocalyptic number.

117605567 is a deficient number, since it is larger than the sum of its proper divisors (21793).

117605567 is an equidigital number, since it uses as much as digits as its factorization.

117605567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21792.

The product of its (nonzero) digits is 44100, while the sum is 38.

The square root of 117605567 is about 10844.6100437037. The cubic root of 117605567 is about 489.9396940915.

The spelling of 117605567 in words is "one hundred seventeen million, six hundred five thousand, five hundred sixty-seven".