8787130523 has 4 divisors (see below), whose sum is σ = 8907502248. Its totient is φ = 8666758800.

The previous prime is 8787130511. The next prime is 8787130549. The reversal of 8787130523 is 3250317878.

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 8787130523 - 2⁸ = 8787130267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8787130553) 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, 60185753 + ... + 60185898.

It is an arithmetic number, because the mean of its divisors is an integer number (2226875562).

Almost surely, 2^8787130523 is an apocalyptic number.

8787130523 is a deficient number, since it is larger than the sum of its proper divisors (120371725).

8787130523 is a wasteful number, since it uses less digits than its factorization.

8787130523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120371724.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 8787130523 is about 93739.6955563650. The cubic root of 8787130523 is about 2063.5533076856.

The spelling of 8787130523 in words is "eight billion, seven hundred eighty-seven million, one hundred thirty thousand, five hundred twenty-three".