99674884680361 has 9 divisors (see below), whose sum is σ = 99741810591031. Its totient is φ = 99608003666392.

The previous prime is 99674884680313. The next prime is 99674884680403. The reversal of 99674884680361 is 16308648847699.

The square root of 99674884680361 is 9983731.

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

It can be written as a sum of positive squares in only one way, i.e., 79275606579225 + 20399278101136 = 8903685^2 + 4516556^2 .

It is not a de Polignac number, because 99674884680361 - 2¹³ = 99674884672169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99674884680061) 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 8 ways as a sum of consecutive naturals, for example, 22333604016 + ... + 22333608478.

Almost surely, 2^{99674884680361} is an apocalyptic number.

99674884680361 is the 9983731-st square number.

99674884680361 is the 4991866-th centered octagonal number.

It is an amenable number.

99674884680361 is a deficient number, since it is larger than the sum of its proper divisors (66925910670).

99674884680361 is an frugal number, since it uses more digits than its factorization.

99674884680361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13400 (or 6700 counting only the distinct ones).

The product of its (nonzero) digits is 3009871872, while the sum is 79.

The spelling of 99674884680361 in words is "ninety-nine trillion, six hundred seventy-four billion, eight hundred eighty-four million, six hundred eighty thousand, three hundred sixty-one".