117418085 has 4 divisors (see below), whose sum is σ = 140901708. Its totient is φ = 93934464.

The previous prime is 117418033. The next prime is 117418087. The reversal of 117418085 is 580814711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 580814711 = 233 ⋅2492767.

It can be written as a sum of positive squares in 2 ways, for example, as 87628321 + 29789764 = 9361^2 + 5458^2 .

It is a cyclic number.

It is not a de Polignac number, because 117418085 - 2¹⁰ = 117417061 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 (117418087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11741804 + ... + 11741813.

It is an arithmetic number, because the mean of its divisors is an integer number (35225427).

Almost surely, 2^117418085 is an apocalyptic number.

It is an amenable number.

117418085 is a deficient number, since it is larger than the sum of its proper divisors (23483623).

117418085 is an equidigital number, since it uses as much as digits as its factorization.

117418085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23483622.

The product of its (nonzero) digits is 8960, while the sum is 35.

The square root of 117418085 is about 10835.9625783776. The cubic root of 117418085 is about 489.6792083289.

The spelling of 117418085 in words is "one hundred seventeen million, four hundred eighteen thousand, eighty-five".