8712146728501 has 4 divisors (see below), whose sum is σ = 8718374140000. Its totient is φ = 8705919317004.

The previous prime is 8712146728499. The next prime is 8712146728513. The reversal of 8712146728501 is 1058276412178.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8712146728501 - 2¹ = 8712146728499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8712146725501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3113703651 + ... + 3113706448.

It is an arithmetic number, because the mean of its divisors is an integer number (2179593535000).

Almost surely, 2^{8712146728501} is an apocalyptic number.

It is an amenable number.

8712146728501 is a deficient number, since it is larger than the sum of its proper divisors (6227411499).

8712146728501 is a wasteful number, since it uses less digits than its factorization.

8712146728501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6227411498.

The product of its (nonzero) digits is 1505280, while the sum is 52.

The spelling of 8712146728501 in words is "eight trillion, seven hundred twelve billion, one hundred forty-six million, seven hundred twenty-eight thousand, five hundred one".