8787350728 has 32 divisors (see below), whose sum is σ = 18787439160. Its totient is φ = 3817128960.

The previous prime is 8787350687. The next prime is 8787350731. The reversal of 8787350728 is 8270537878.

It can be written as a sum of positive squares in 4 ways, for example, as 7201559044 + 1585791684 = 84862^2 + 39822^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2483343 + ... + 2486878.

Almost surely, 2^8787350728 is an apocalyptic number.

It is an amenable number.

8787350728 is an abundant number, since it is smaller than the sum of its proper divisors (10000088432).

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

8787350728 is a wasteful number, since it uses less digits than its factorization.

8787350728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4970257 (or 4970253 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 55.

The square root of 8787350728 is about 93740.8701047734. The cubic root of 8787350728 is about 2063.5705450518.

It can be divided in two parts, 87873 and 50728, that added together give a triangular number (138601 = T₅₂₆).

The spelling of 8787350728 in words is "eight billion, seven hundred eighty-seven million, three hundred fifty thousand, seven hundred twenty-eight".