117301685 has 4 divisors (see below), whose sum is σ = 140762028. Its totient is φ = 93841344.

The previous prime is 117301673. The next prime is 117301693. The reversal of 117301685 is 586103711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 586103711 = 541 ⋅1083371.

It can be written as a sum of positive squares in 2 ways, for example, as 88378801 + 28922884 = 9401^2 + 5378^2 .

It is a cyclic number.

It is not a de Polignac number, because 117301685 - 2⁶ = 117301621 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11730164 + ... + 11730173.

It is an arithmetic number, because the mean of its divisors is an integer number (35190507).

Almost surely, 2^117301685 is an apocalyptic number.

It is an amenable number.

117301685 is a deficient number, since it is larger than the sum of its proper divisors (23460343).

117301685 is an equidigital number, since it uses as much as digits as its factorization.

117301685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23460342.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 117301685 is about 10830.5902424568. The cubic root of 117301685 is about 489.5173436978.

The spelling of 117301685 in words is "one hundred seventeen million, three hundred one thousand, six hundred eighty-five".