97305665307 has 16 divisors (see below), whose sum is σ = 133803479040. Its totient is φ = 62862905952.

The previous prime is 97305665267. The next prime is 97305665309. The reversal of 97305665307 is 70356650379.

It is a happy number.

It is not a de Polignac number, because 97305665307 - 2¹⁹ = 97305141019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97305665307.

It is not an unprimeable number, because it can be changed into a prime (97305665309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2953332 + ... + 2986097.

It is an arithmetic number, because the mean of its divisors is an integer number (8362717440).

Almost surely, 2^97305665307 is an apocalyptic number.

97305665307 is a deficient number, since it is larger than the sum of its proper divisors (36497813733).

97305665307 is a wasteful number, since it uses less digits than its factorization.

97305665307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5939602.

The product of its (nonzero) digits is 3572100, while the sum is 51.

The spelling of 97305665307 in words is "ninety-seven billion, three hundred five million, six hundred sixty-five thousand, three hundred seven".