117609365 has 8 divisors (see below), whose sum is σ = 142426680. Its totient is φ = 93223872.

The previous prime is 117609353. The next prime is 117609367. The reversal of 117609365 is 563906711.

It can be written as a sum of positive squares in 4 ways, for example, as 26635921 + 90973444 = 5161^2 + 9538^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117609365 - 2⁶ = 117609301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117609367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107354 + ... + 108443.

It is an arithmetic number, because the mean of its divisors is an integer number (17803335).

Almost surely, 2^117609365 is an apocalyptic number.

It is an amenable number.

117609365 is a deficient number, since it is larger than the sum of its proper divisors (24817315).

117609365 is a wasteful number, since it uses less digits than its factorization.

117609365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215911.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 117609365 is about 10844.7851523209. The cubic root of 117609365 is about 489.9449681359.

The spelling of 117609365 in words is "one hundred seventeen million, six hundred nine thousand, three hundred sixty-five".