97100982171 has 32 divisors (see below), whose sum is σ = 151466380800. Its totient is φ = 61309988640.

The previous prime is 97100982149. The next prime is 97100982221. The reversal of 97100982171 is 17128900179.

It is a happy number.

It is not a de Polignac number, because 97100982171 - 2⁶ = 97100982107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97100982131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1982145 + ... + 2030541.

It is an arithmetic number, because the mean of its divisors is an integer number (4733324400).

Almost surely, 2^97100982171 is an apocalyptic number.

97100982171 is a deficient number, since it is larger than the sum of its proper divisors (54365398629).

97100982171 is a wasteful number, since it uses less digits than its factorization.

97100982171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52336 (or 52330 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 45.

The spelling of 97100982171 in words is "ninety-seven billion, one hundred million, nine hundred eighty-two thousand, one hundred seventy-one".