117656065 has 8 divisors (see below), whose sum is σ = 149492520. Its totient is φ = 88588032.

The previous prime is 117656057. The next prime is 117656107. The reversal of 117656065 is 560656711.

It can be written as a sum of positive squares in 4 ways, for example, as 1382976 + 116273089 = 1176^2 + 10783^2 .

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 117656065 - 2³ = 117656057 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 692010 + ... + 692179.

It is an arithmetic number, because the mean of its divisors is an integer number (18686565).

Almost surely, 2^117656065 is an apocalyptic number.

It is an amenable number.

117656065 is a deficient number, since it is larger than the sum of its proper divisors (31836455).

117656065 is a wasteful number, since it uses less digits than its factorization.

117656065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384211.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 117656065 is about 10846.9380472095. The cubic root of 117656065 is about 490.0098082168.

The spelling of 117656065 in words is "one hundred seventeen million, six hundred fifty-six thousand, sixty-five".