32728765897873 has 8 divisors (see below), whose sum is σ = 32953056913728. Its totient is φ = 32504811910704.

The previous prime is 32728765897859. The next prime is 32728765897937. The reversal of 32728765897873 is 37879856782723.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32728765897873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32728765897823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84062286 + ... + 84450727.

It is an arithmetic number, because the mean of its divisors is an integer number (4119132114216).

Almost surely, 2^{32728765897873} is an apocalyptic number.

It is an amenable number.

32728765897873 is a deficient number, since it is larger than the sum of its proper divisors (224291015855).

32728765897873 is a wasteful number, since it uses less digits than its factorization.

32728765897873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168514343.

The product of its digits is 11948912640, while the sum is 82.

The spelling of 32728765897873 in words is "thirty-two trillion, seven hundred twenty-eight billion, seven hundred sixty-five million, eight hundred ninety-seven thousand, eight hundred seventy-three".