117288263 has 8 divisors (see below), whose sum is σ = 119197728. Its totient is φ = 115393824.

The previous prime is 117288217. The next prime is 117288271. The reversal of 117288263 is 362882711.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117288263 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 (117288203) 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, 12545 + ... + 19797.

It is an arithmetic number, because the mean of its divisors is an integer number (14899716).

Almost surely, 2^117288263 is an apocalyptic number.

117288263 is a deficient number, since it is larger than the sum of its proper divisors (1909465).

117288263 is a wasteful number, since it uses less digits than its factorization.

117288263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7513.

The product of its digits is 32256, while the sum is 38.

The square root of 117288263 is about 10829.9705909111. The cubic root of 117288263 is about 489.4986723195.

It can be divided in two parts, 11728 and 8263, that added together give a palindrome (19991).

The spelling of 117288263 in words is "one hundred seventeen million, two hundred eighty-eight thousand, two hundred sixty-three".