117709999 has 4 divisors (see below), whose sum is σ = 128410920. Its totient is φ = 107009080.

The previous prime is 117709993. The next prime is 117710003. The reversal of 117709999 is 999907711.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117709999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117709993) 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, 5350444 + ... + 5350465.

It is an arithmetic number, because the mean of its divisors is an integer number (32102730).

Almost surely, 2^117709999 is an apocalyptic number.

117709999 is a deficient number, since it is larger than the sum of its proper divisors (10700921).

117709999 is a wasteful number, since it uses less digits than its factorization.

117709999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10700920.

The product of its (nonzero) digits is 321489, while the sum is 52.

The square root of 117709999 is about 10849.4239017563. The cubic root of 117709999 is about 490.0846709159.

The spelling of 117709999 in words is "one hundred seventeen million, seven hundred nine thousand, nine hundred ninety-nine".