117757717 has 16 divisors (see below), whose sum is σ = 150786432. Its totient is φ = 89277120.

The previous prime is 117757711. The next prime is 117757721. The reversal of 117757717 is 717757711.

It is a cyclic number.

It is not a de Polignac number, because 117757717 - 2¹⁹ = 117233429 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 (117757711) 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 15 ways as a sum of consecutive naturals, for example, 17818 + ... + 23515.

It is an arithmetic number, because the mean of its divisors is an integer number (9424152).

Almost surely, 2^117757717 is an apocalyptic number.

It is an amenable number.

117757717 is a deficient number, since it is larger than the sum of its proper divisors (33028715).

117757717 is a wasteful number, since it uses less digits than its factorization.

117757717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41388.

The product of its digits is 84035, while the sum is 43.

The square root of 117757717 is about 10851.6227818700. The cubic root of 117757717 is about 490.1508864771.

The spelling of 117757717 in words is "one hundred seventeen million, seven hundred fifty-seven thousand, seven hundred seventeen".