8729373678345 has 64 divisors (see below), whose sum is σ = 16260815577600. Its totient is φ = 4434767124480.

The previous prime is 8729373678323. The next prime is 8729373678359. The reversal of 8729373678345 is 5438763739278.

It is a happy number.

8729373678345 is a `hidden beast` number, since 8 + 72 + 93 + 73 + 67 + 8 + 345 = 666.

It is not a de Polignac number, because 8729373678345 - 2⁶ = 8729373678281 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5084460 + ... + 6581069.

It is an arithmetic number, because the mean of its divisors is an integer number (254075243400).

Almost surely, 2^{8729373678345} is an apocalyptic number.

It is an amenable number.

8729373678345 is a deficient number, since it is larger than the sum of its proper divisors (7531441899255).

8729373678345 is a wasteful number, since it uses less digits than its factorization.

8729373678345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11665807 (or 11665801 counting only the distinct ones).

The product of its digits is 1280240640, while the sum is 72.

The spelling of 8729373678345 in words is "eight trillion, seven hundred twenty-nine billion, three hundred seventy-three million, six hundred seventy-eight thousand, three hundred forty-five".