97947934417 has 16 divisors (see below), whose sum is σ = 109203906240. Its totient is φ = 87305637888.

The previous prime is 97947934411. The next prime is 97947934453. The reversal of 97947934417 is 71443974979.

It is a cyclic number.

It is not a de Polignac number, because 97947934417 - 2³¹ = 95800450769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97947934411) 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, 964918 + ... + 1061584.

It is an arithmetic number, because the mean of its divisors is an integer number (6825244140).

Almost surely, 2^97947934417 is an apocalyptic number.

It is an amenable number.

97947934417 is a deficient number, since it is larger than the sum of its proper divisors (11255971823).

97947934417 is a wasteful number, since it uses less digits than its factorization.

97947934417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99840.

The product of its digits is 48009024, while the sum is 64.

The spelling of 97947934417 in words is "ninety-seven billion, nine hundred forty-seven million, nine hundred thirty-four thousand, four hundred seventeen".