117766663 has 4 divisors (see below), whose sum is σ = 134590480. Its totient is φ = 100942848.

The previous prime is 117766657. The next prime is 117766687. The reversal of 117766663 is 366667711.

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 117766663 - 2⁹ = 117766151 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 (117766163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8411898 + ... + 8411911.

It is an arithmetic number, because the mean of its divisors is an integer number (33647620).

Almost surely, 2^117766663 is an apocalyptic number.

117766663 is a deficient number, since it is larger than the sum of its proper divisors (16823817).

117766663 is an equidigital number, since it uses as much as digits as its factorization.

117766663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16823816.

The product of its digits is 190512, while the sum is 43.

The square root of 117766663 is about 10852.0349704560. The cubic root of 117766663 is about 490.1632983425.

The spelling of 117766663 in words is "one hundred seventeen million, seven hundred sixty-six thousand, six hundred sixty-three".