117666283 has 4 divisors (see below), whose sum is σ = 134475760. Its totient is φ = 100856808.

The previous prime is 117666281. The next prime is 117666317. The reversal of 117666283 is 382666711.

It is a happy number.

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 117666283 - 2¹ = 117666281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117666281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8404728 + ... + 8404741.

It is an arithmetic number, because the mean of its divisors is an integer number (33618940).

Almost surely, 2^117666283 is an apocalyptic number.

117666283 is a deficient number, since it is larger than the sum of its proper divisors (16809477).

117666283 is an equidigital number, since it uses as much as digits as its factorization.

117666283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16809476.

The product of its digits is 72576, while the sum is 40.

The square root of 117666283 is about 10847.4090454818. The cubic root of 117666283 is about 490.0239929943.

The spelling of 117666283 in words is "one hundred seventeen million, six hundred sixty-six thousand, two hundred eighty-three".