8787134728 has 32 divisors (see below), whose sum is σ = 17197790400. Its totient is φ = 4201181248.

The previous prime is 8787134723. The next prime is 8787134737. The reversal of 8787134728 is 8274317878.

It is not an unprimeable number, because it can be changed into a prime (8787134723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 778050 + ... + 789262.

It is an arithmetic number, because the mean of its divisors is an integer number (537430950).

Almost surely, 2^8787134728 is an apocalyptic number.

It is an amenable number.

8787134728 is a deficient number, since it is larger than the sum of its proper divisors (8410655672).

8787134728 is a wasteful number, since it uses less digits than its factorization.

8787134728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15501 (or 15497 counting only the distinct ones).

The product of its digits is 4214784, while the sum is 55.

The square root of 8787134728 is about 93739.7179854943. The cubic root of 8787134728 is about 2063.5536368503.

The spelling of 8787134728 in words is "eight billion, seven hundred eighty-seven million, one hundred thirty-four thousand, seven hundred twenty-eight".