117209699 has 4 divisors (see below), whose sum is σ = 117450864. Its totient is φ = 116968536.

The previous prime is 117209683. The next prime is 117209773. The reversal of 117209699 is 996902711.

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 117209699 - 2⁴ = 117209683 is a prime.

It is a super-2 number, since 2×117209699² = 27476227079341202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117209999) 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 in 3 ways as a sum of consecutive naturals, for example, 119852 + ... + 120825.

It is an arithmetic number, because the mean of its divisors is an integer number (29362716).

Almost surely, 2^117209699 is an apocalyptic number.

117209699 is a deficient number, since it is larger than the sum of its proper divisors (241165).

117209699 is an equidigital number, since it uses as much as digits as its factorization.

117209699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241164.

The product of its (nonzero) digits is 61236, while the sum is 44.

The square root of 117209699 is about 10826.3428266428. The cubic root of 117209699 is about 489.3893531585.

The spelling of 117209699 in words is "one hundred seventeen million, two hundred nine thousand, six hundred ninety-nine".