117707085 has 24 divisors (see below), whose sum is σ = 211063320. Its totient is φ = 60611712.

The previous prime is 117707081. The next prime is 117707089. The reversal of 117707085 is 580707711.

It is an interprime number because it is at equal distance from previous prime (117707081) and next prime (117707089).

It can be written as a sum of positive squares in 4 ways, for example, as 15069924 + 102637161 = 3882^2 + 10131^2 .

It is not a de Polignac number, because 117707085 - 2² = 117707081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117707081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43794 + ... + 46403.

It is an arithmetic number, because the mean of its divisors is an integer number (8794305).

Almost surely, 2^117707085 is an apocalyptic number.

117707085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117707085 is a deficient number, since it is larger than the sum of its proper divisors (93356235).

117707085 is a wasteful number, since it uses less digits than its factorization.

117707085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90237 (or 90234 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 36.

The square root of 117707085 is about 10849.2896080803. The cubic root of 117707085 is about 490.0806267437.

The spelling of 117707085 in words is "one hundred seventeen million, seven hundred seven thousand, eighty-five".