117170489 has 2 divisors, whose sum is σ = 117170490. Its totient is φ = 117170488.

The previous prime is 117170479. The next prime is 117170539. The reversal of 117170489 is 984071711.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113784889 + 3385600 = 10667^2 + 1840^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117170489 is a prime.

It is not a weakly prime, because it can be changed into another prime (117170419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58585244 + 58585245.

It is an arithmetic number, because the mean of its divisors is an integer number (58585245).

Almost surely, 2^117170489 is an apocalyptic number.

It is an amenable number.

117170489 is a deficient number, since it is larger than the sum of its proper divisors (1).

117170489 is an equidigital number, since it uses as much as digits as its factorization.

117170489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 38.

The square root of 117170489 is about 10824.5318143558. The cubic root of 117170489 is about 489.3347754888.

The spelling of 117170489 in words is "one hundred seventeen million, one hundred seventy thousand, four hundred eighty-nine".