97917107 has 2 divisors, whose sum is σ = 97917108. Its totient is φ = 97917106.

The previous prime is 97917097. The next prime is 97917191. The reversal of 97917107 is 70171979.

It is a weak prime.

It is an emirp because it is prime and its reverse (70171979) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97917107 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97917607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48958553 + 48958554.

It is an arithmetic number, because the mean of its divisors is an integer number (48958554).

Almost surely, 2^97917107 is an apocalyptic number.

97917107 is a deficient number, since it is larger than the sum of its proper divisors (1).

97917107 is an equidigital number, since it uses as much as digits as its factorization.

97917107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27783, while the sum is 41.

The square root of 97917107 is about 9895.3073221603. The cubic root of 97917107 is about 460.9136017570.

The spelling of 97917107 in words is "ninety-seven million, nine hundred seventeen thousand, one hundred seven".