8487578863 has 4 divisors (see below), whose sum is σ = 8934293560. Its totient is φ = 8040864168.

The previous prime is 8487578849. The next prime is 8487578909. The reversal of 8487578863 is 3688757848.

It is a happy number.

8487578863 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 8487578863 - 2¹⁷ = 8487447791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8487578795 and 8487578804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8487578833) 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, 223357320 + ... + 223357357.

It is an arithmetic number, because the mean of its divisors is an integer number (2233573390).

Almost surely, 2^8487578863 is an apocalyptic number.

8487578863 is a deficient number, since it is larger than the sum of its proper divisors (446714697).

8487578863 is a wasteful number, since it uses less digits than its factorization.

8487578863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446714696.

The product of its digits is 72253440, while the sum is 64.

The square root of 8487578863 is about 92128.0568719432. The cubic root of 8487578863 is about 2039.8329722757.

The spelling of 8487578863 in words is "eight billion, four hundred eighty-seven million, five hundred seventy-eight thousand, eight hundred sixty-three".