97236816322129 has 9 divisors (see below), whose sum is σ = 106880256176169. Its totient is φ = 88397007138660.

The previous prime is 97236816322111. The next prime is 97236816322141. The reversal of 97236816322129 is 92122361863279.

It is a happy number.

The square root of 97236816322129 is 9860873.

It is a perfect power (a square), and thus also a powerful number.

It is a de Polignac number, because none of the positive numbers 2^k-97236816322129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97236816352129) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 108021382 + ... + 108917824.

Almost surely, 2^{97236816322129} is an apocalyptic number.

97236816322129 is the 9860873-rd square number.

97236816322129 is the 4930437-th centered octagonal number.

It is an amenable number.

97236816322129 is a deficient number, since it is larger than the sum of its proper divisors (9643439854040).

97236816322129 is an frugal number, since it uses more digits than its factorization.

97236816322129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792908 (or 896454 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 61.

The spelling of 97236816322129 in words is "ninety-seven trillion, two hundred thirty-six billion, eight hundred sixteen million, three hundred twenty-two thousand, one hundred twenty-nine".