117266686 has 4 divisors (see below), whose sum is σ = 175900032. Its totient is φ = 58633342.

The previous prime is 117266671. The next prime is 117266693. The reversal of 117266686 is 686662711.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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, 29316670 + ... + 29316673.

It is an arithmetic number, because the mean of its divisors is an integer number (43975008).

Almost surely, 2^117266686 is an apocalyptic number.

117266686 is a deficient number, since it is larger than the sum of its proper divisors (58633346).

117266686 is an equidigital number, since it uses as much as digits as its factorization.

117266686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58633345.

The product of its digits is 145152, while the sum is 43.

The square root of 117266686 is about 10828.9743743348. The cubic root of 117266686 is about 489.4686535142.

The spelling of 117266686 in words is "one hundred seventeen million, two hundred sixty-six thousand, six hundred eighty-six".