65984117 has 8 divisors (see below), whose sum is σ = 66617856. Its totient is φ = 65353392.

The previous prime is 65984101. The next prime is 65984137. The reversal of 65984117 is 71148956.

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 65984117 - 2⁴ = 65984101 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 (65984137) 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, 76028 + ... + 76890.

It is an arithmetic number, because the mean of its divisors is an integer number (8327232).

Almost surely, 2^65984117 is an apocalyptic number.

It is an amenable number.

65984117 is a deficient number, since it is larger than the sum of its proper divisors (633739).

65984117 is a wasteful number, since it uses less digits than its factorization.

65984117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507.

The product of its digits is 60480, while the sum is 41.

The square root of 65984117 is about 8123.0608147422. The cubic root of 65984117 is about 404.0915817769.

The spelling of 65984117 in words is "sixty-five million, nine hundred eighty-four thousand, one hundred seventeen".