97655 has 4 divisors (see below), whose sum is σ = 117192. Its totient is φ = 78120.

The previous prime is 97651. The next prime is 97673. The reversal of 97655 is 55679.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55679 = 13 ⋅4283.

It is not a de Polignac number, because 97655 - 2² = 97651 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a nialpdrome in base 5 and 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 97655.

It is not an unprimeable number, because it can be changed into a prime (97651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9761 + ... + 9770.

It is an arithmetic number, because the mean of its divisors is an integer number (29298).

2⁹⁷⁶⁵⁵ is an apocalyptic number.

97655 is a deficient number, since it is larger than the sum of its proper divisors (19537).

97655 is a wasteful number, since it uses less digits than its factorization.

97655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19536.

The product of its digits is 9450, while the sum is 32.

The square root of 97655 is about 312.4979999936. The cubic root of 97655 is about 46.0501972505.

The spelling of 97655 in words is "ninety-seven thousand, six hundred fifty-five".