97665203 has 4 divisors (see below), whose sum is σ = 98013048. Its totient is φ = 97317360.

The previous prime is 97665193. The next prime is 97665223. The reversal of 97665203 is 30256679.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97665203 - 2⁸ = 97664947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97665223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173501 + ... + 174062.

It is an arithmetic number, because the mean of its divisors is an integer number (24503262).

Almost surely, 2^97665203 is an apocalyptic number.

97665203 is a deficient number, since it is larger than the sum of its proper divisors (347845).

97665203 is a wasteful number, since it uses less digits than its factorization.

97665203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347844.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 97665203 is about 9882.5706675945. The cubic root of 97665203 is about 460.5180097039.

The spelling of 97665203 in words is "ninety-seven million, six hundred sixty-five thousand, two hundred three".