97000209 has 12 divisors (see below), whose sum is σ = 144631552. Its totient is φ = 62580600.

The previous prime is 97000193. The next prime is 97000213. The reversal of 97000209 is 90200079.

It is not a de Polignac number, because 97000209 - 2⁴ = 97000193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97000259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173557 + ... + 174114.

Almost surely, 2^97000209 is an apocalyptic number.

It is an amenable number.

97000209 is a deficient number, since it is larger than the sum of its proper divisors (47631343).

97000209 is a wasteful number, since it uses less digits than its factorization.

97000209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347708 (or 347705 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 97000209 is about 9848.8684121578. The cubic root of 97000209 is about 459.4704192179.

The spelling of 97000209 in words is "ninety-seven million, two hundred nine", and thus it is an aban number.