8729357150728 has 32 divisors (see below), whose sum is σ = 16467900514560. Its totient is φ = 4337994029440.

The previous prime is 8729357150707. The next prime is 8729357150749. The reversal of 8729357150728 is 8270517539278.

It is an interprime number because it is at equal distance from previous prime (8729357150707) and next prime (8729357150749).

It is a self number, because there is not a number n which added to its sum of digits gives 8729357150728.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3906325 + ... + 5719972.

It is an arithmetic number, because the mean of its divisors is an integer number (514621891080).

Almost surely, 2^{8729357150728} is an apocalyptic number.

It is an amenable number.

8729357150728 is a deficient number, since it is larger than the sum of its proper divisors (7738543363832).

8729357150728 is a wasteful number, since it uses less digits than its factorization.

8729357150728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9626997 (or 9626993 counting only the distinct ones).

The product of its (nonzero) digits is 59270400, while the sum is 64.

The spelling of 8729357150728 in words is "eight trillion, seven hundred twenty-nine billion, three hundred fifty-seven million, one hundred fifty thousand, seven hundred twenty-eight".