8728585728715 has 8 divisors (see below), whose sum is σ = 10621828267488. Its totient is φ = 6884518320960.

The previous prime is 8728585728713. The next prime is 8728585728719. The reversal of 8728585728715 is 5178275858278.

It is a happy number.

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

It is not a de Polignac number, because 8728585728715 - 2¹ = 8728585728713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8728585728713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12293782362 + ... + 12293783071.

It is an arithmetic number, because the mean of its divisors is an integer number (1327728533436).

Almost surely, 2^{8728585728715} is an apocalyptic number.

8728585728715 is a deficient number, since it is larger than the sum of its proper divisors (1893242538773).

8728585728715 is a wasteful number, since it uses less digits than its factorization.

8728585728715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24587565509.

The product of its digits is 702464000, while the sum is 73.

The spelling of 8728585728715 in words is "eight trillion, seven hundred twenty-eight billion, five hundred eighty-five million, seven hundred twenty-eight thousand, seven hundred fifteen".