8728715142943 has 16 divisors (see below), whose sum is σ = 9159266140416. Its totient is φ = 8302485723840.

The previous prime is 8728715142941. The next prime is 8728715143039. The reversal of 8728715142943 is 3492415178278.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 8728715142943 - 2¹ = 8728715142941 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 (8728715142941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4870771 + ... + 6417307.

It is an arithmetic number, because the mean of its divisors is an integer number (572454133776).

Almost surely, 2^{8728715142943} is an apocalyptic number.

8728715142943 is a deficient number, since it is larger than the sum of its proper divisors (430550997473).

8728715142943 is a wasteful number, since it uses less digits than its factorization.

8728715142943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547934.

The product of its digits is 27095040, while the sum is 61.

The spelling of 8728715142943 in words is "eight trillion, seven hundred twenty-eight billion, seven hundred fifteen million, one hundred forty-two thousand, nine hundred forty-three".