97516817171 has 4 divisors (see below), whose sum is σ = 103253100552. Its totient is φ = 91780533792.

The previous prime is 97516817119. The next prime is 97516817173. The reversal of 97516817171 is 17171861579.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97516817171 - 2⁶ = 97516817107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97516817173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2868141665 + ... + 2868141698.

It is an arithmetic number, because the mean of its divisors is an integer number (25813275138).

Almost surely, 2^97516817171 is an apocalyptic number.

97516817171 is a deficient number, since it is larger than the sum of its proper divisors (5736283381).

97516817171 is a wasteful number, since it uses less digits than its factorization.

97516817171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5736283380.

The product of its digits is 740880, while the sum is 53.

The spelling of 97516817171 in words is "ninety-seven billion, five hundred sixteen million, eight hundred seventeen thousand, one hundred seventy-one".