2487648687 has 16 divisors (see below), whose sum is σ = 3354024960. Its totient is φ = 1639900512.

The previous prime is 2487648679. The next prime is 2487648727. The reversal of 2487648687 is 7868467842.

It is not a de Polignac number, because 2487648687 - 2³ = 2487648679 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2487648687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2487648287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216573 + ... + 227769.

It is an arithmetic number, because the mean of its divisors is an integer number (209626560).

Almost surely, 2^2487648687 is an apocalyptic number.

2487648687 is a deficient number, since it is larger than the sum of its proper divisors (866376273).

2487648687 is a wasteful number, since it uses less digits than its factorization.

2487648687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12022.

The product of its digits is 28901376, while the sum is 60.

The square root of 2487648687 is about 49876.3339370487. Note that the first 3 decimals coincide. The cubic root of 2487648687 is about 1354.9700091854.

The spelling of 2487648687 in words is "two billion, four hundred eighty-seven million, six hundred forty-eight thousand, six hundred eighty-seven".