117017717 has 4 divisors (see below), whose sum is σ = 120180396. Its totient is φ = 113855040.

The previous prime is 117017701. The next prime is 117017729. The reversal of 117017717 is 717710711.

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

It can be written as a sum of positive squares in 2 ways, for example, as 92948881 + 24068836 = 9641^2 + 4906^2 .

It is a cyclic number.

It is not a de Polignac number, because 117017717 - 2⁴ = 117017701 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 (117007717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1581284 + ... + 1581357.

It is an arithmetic number, because the mean of its divisors is an integer number (30045099).

Almost surely, 2^117017717 is an apocalyptic number.

It is an amenable number.

117017717 is a deficient number, since it is larger than the sum of its proper divisors (3162679).

117017717 is an equidigital number, since it uses as much as digits as its factorization.

117017717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3162678.

The product of its (nonzero) digits is 2401, while the sum is 32.

The square root of 117017717 is about 10817.4727640055. The cubic root of 117017717 is about 489.1220109755.

The spelling of 117017717 in words is "one hundred seventeen million, seventeen thousand, seven hundred seventeen".