117232287 has 8 divisors (see below), whose sum is σ = 158288640. Its totient is φ = 77165400.

The previous prime is 117232277. The next prime is 117232309. The reversal of 117232287 is 782232711.

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

It is not a de Polignac number, because 117232287 - 2¹⁸ = 116970143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117232267) 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, 247089 + ... + 247562.

It is an arithmetic number, because the mean of its divisors is an integer number (19786080).

Almost surely, 2^117232287 is an apocalyptic number.

117232287 is a deficient number, since it is larger than the sum of its proper divisors (41056353).

117232287 is an equidigital number, since it uses as much as digits as its factorization.

117232287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494733.

The product of its digits is 9408, while the sum is 33.

The square root of 117232287 is about 10827.3859726159. The cubic root of 117232287 is about 489.4207886021.

Adding to 117232287 its reverse (782232711), we get a palindrome (899464998).

The spelling of 117232287 in words is "one hundred seventeen million, two hundred thirty-two thousand, two hundred eighty-seven".