6587887856 has 40 divisors (see below), whose sum is σ = 13929179904. Its totient is φ = 2993466560.

The previous prime is 6587887853. The next prime is 6587887871.

6587887856 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6587887853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781295 + ... + 789681.

Almost surely, 2^6587887856 is an apocalyptic number.

It is an amenable number.

6587887856 is an abundant number, since it is smaller than the sum of its proper divisors (7341292048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6587887856 is a wasteful number, since it uses less digits than its factorization.

6587887856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12869 (or 12863 counting only the distinct ones).

The product of its digits is 180633600, while the sum is 68.

The square root of 6587887856 is about 81165.8047209538. The cubic root of 6587887856 is about 1874.6292937999.

The spelling of 6587887856 in words is "six billion, five hundred eighty-seven million, eight hundred eighty-seven thousand, eight hundred fifty-six".