97009865 has 8 divisors (see below), whose sum is σ = 118385280. Its totient is φ = 76292272.

The previous prime is 97009817. The next prime is 97009873. The reversal of 97009865 is 56890079.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97009865 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164129 + ... + 164718.

It is an arithmetic number, because the mean of its divisors is an integer number (14798160).

Almost surely, 2^97009865 is an apocalyptic number.

It is an amenable number.

97009865 is a deficient number, since it is larger than the sum of its proper divisors (21375415).

97009865 is a wasteful number, since it uses less digits than its factorization.

97009865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328911.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 97009865 is about 9849.3586085592. The cubic root of 97009865 is about 459.4856648866.

The spelling of 97009865 in words is "ninety-seven million, nine thousand, eight hundred sixty-five".