97816517204 has 12 divisors (see below), whose sum is σ = 195633034464. Its totient is φ = 41921364504.

The previous prime is 97816517167. The next prime is 97816517263. The reversal of 97816517204 is 40271561879.

It is a happy number.

97816517204 is an admirable number.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1746723494 + ... + 1746723549.

It is an arithmetic number, because the mean of its divisors is an integer number (16302752872).

Almost surely, 2^97816517204 is an apocalyptic number.

It is an amenable number.

97816517204 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97816517204 is a wasteful number, since it uses less digits than its factorization.

97816517204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3493447054 (or 3493447052 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 50.

The spelling of 97816517204 in words is "ninety-seven billion, eight hundred sixteen million, five hundred seventeen thousand, two hundred four".