117685349 has 4 divisors (see below), whose sum is σ = 117846636. Its totient is φ = 117524064.

The previous prime is 117685343. The next prime is 117685363. The reversal of 117685349 is 943586711.

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 108534724 + 9150625 = 10418^2 + 3025^2 .

It is a cyclic number.

It is not a de Polignac number, because 117685349 - 2⁴ = 117685333 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 (117685343) 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, 79544 + ... + 81009.

It is an arithmetic number, because the mean of its divisors is an integer number (29461659).

Almost surely, 2^117685349 is an apocalyptic number.

It is an amenable number.

117685349 is a deficient number, since it is larger than the sum of its proper divisors (161287).

117685349 is an equidigital number, since it uses as much as digits as its factorization.

117685349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161286.

The product of its digits is 181440, while the sum is 44.

The square root of 117685349 is about 10848.2878372580. The cubic root of 117685349 is about 490.0504584995.

The spelling of 117685349 in words is "one hundred seventeen million, six hundred eighty-five thousand, three hundred forty-nine".