8782642147 has 4 divisors (see below), whose sum is σ = 9065953216. Its totient is φ = 8499331080.

The previous prime is 8782642133. The next prime is 8782642151. The reversal of 8782642147 is 7412462878.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8782642147 - 2¹¹ = 8782640099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8782642147.

It is not an unprimeable number, because it can be changed into a prime (8782642117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141655488 + ... + 141655549.

It is an arithmetic number, because the mean of its divisors is an integer number (2266488304).

Almost surely, 2^8782642147 is an apocalyptic number.

8782642147 is a deficient number, since it is larger than the sum of its proper divisors (283311069).

8782642147 is a wasteful number, since it uses less digits than its factorization.

8782642147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283311068.

The product of its digits is 1204224, while the sum is 49.

The square root of 8782642147 is about 93715.7518616801. The cubic root of 8782642147 is about 2063.2019005703.

The spelling of 8782642147 in words is "eight billion, seven hundred eighty-two million, six hundred forty-two thousand, one hundred forty-seven".