97665 has 16 divisors (see below), whose sum is σ = 165888. Its totient is φ = 48896.

The previous prime is 97651. The next prime is 97673. The reversal of 97665 is 56679.

It is a cyclic number.

It is not a de Polignac number, because 97665 - 2⁴ = 97649 is a prime.

It is a nialpdrome in base 10.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 97665.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64 + ... + 446.

It is an arithmetic number, because the mean of its divisors is an integer number (10368).

2⁹⁷⁶⁶⁵ is an apocalyptic number.

It is an amenable number.

97665 is a deficient number, since it is larger than the sum of its proper divisors (68223).

97665 is a wasteful number, since it uses less digits than its factorization.

97665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408.

The product of its digits is 11340, while the sum is 33.

The square root of 97665 is about 312.5139996864. The cubic root of 97665 is about 46.0517690637.

The spelling of 97665 in words is "ninety-seven thousand, six hundred sixty-five".