8728715143652 has 72 divisors (see below), whose sum is σ = 18014289267744. Its totient is φ = 3689283604608.

The previous prime is 8728715143649. The next prime is 8728715143697. The reversal of 8728715143652 is 2563415178278.

It is a junction number, because it is equal to n+sod(n) for n = 8728715143591 and 8728715143600.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198959423 + ... + 199003289.

It is an arithmetic number, because the mean of its divisors is an integer number (250198462052).

Almost surely, 2^{8728715143652} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8728715143652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9007144633872).

8728715143652 is an abundant number, since it is smaller than the sum of its proper divisors (9285574124092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8728715143652 is a wasteful number, since it uses less digits than its factorization.

8728715143652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57865 (or 57856 counting only the distinct ones).

The product of its digits is 22579200, while the sum is 59.

The spelling of 8728715143652 in words is "eight trillion, seven hundred twenty-eight billion, seven hundred fifteen million, one hundred forty-three thousand, six hundred fifty-two".