117313487 has 2 divisors, whose sum is σ = 117313488. Its totient is φ = 117313486.

The previous prime is 117313463. The next prime is 117313489. The reversal of 117313487 is 784313711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117313487 - 2²² = 113119183 is a prime.

Together with 117313489, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117313489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58656743 + 58656744.

It is an arithmetic number, because the mean of its divisors is an integer number (58656744).

Almost surely, 2^117313487 is an apocalyptic number.

117313487 is a deficient number, since it is larger than the sum of its proper divisors (1).

117313487 is an equidigital number, since it uses as much as digits as its factorization.

117313487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 35.

The square root of 117313487 is about 10831.1350744047. The cubic root of 117313487 is about 489.5337603132.

The spelling of 117313487 in words is "one hundred seventeen million, three hundred thirteen thousand, four hundred eighty-seven".