8487713287 has 4 divisors (see below), whose sum is σ = 8488282320. Its totient is φ = 8487144256.

The previous prime is 8487713279. The next prime is 8487713317. The reversal of 8487713287 is 7823177848.

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 8487713287 - 2³ = 8487713279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8487713387) 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, 261523 + ... + 292180.

It is an arithmetic number, because the mean of its divisors is an integer number (2122070580).

Almost surely, 2^8487713287 is an apocalyptic number.

8487713287 is a deficient number, since it is larger than the sum of its proper divisors (569033).

8487713287 is a wasteful number, since it uses less digits than its factorization.

8487713287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569032.

The product of its digits is 4214784, while the sum is 55.

The square root of 8487713287 is about 92128.7864187953. The cubic root of 8487713287 is about 2039.8437409949.

The spelling of 8487713287 in words is "eight billion, four hundred eighty-seven million, seven hundred thirteen thousand, two hundred eighty-seven".