8742550784 has 72 divisors (see below), whose sum is σ = 19134292800. Its totient is φ = 3953664000.

The previous prime is 8742550763. The next prime is 8742550819. The reversal of 8742550784 is 4870552478.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552584 + ... + 568184.

Almost surely, 2^8742550784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8742550784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9567146400).

8742550784 is an abundant number, since it is smaller than the sum of its proper divisors (10391742016).

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

8742550784 is a wasteful number, since it uses less digits than its factorization.

8742550784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15827 (or 15813 counting only the distinct ones).

The product of its (nonzero) digits is 2508800, while the sum is 50.

The square root of 8742550784 is about 93501.6084567533. The cubic root of 8742550784 is about 2060.0577154157.

The spelling of 8742550784 in words is "eight billion, seven hundred forty-two million, five hundred fifty thousand, seven hundred eighty-four".