6487856982 has 48 divisors (see below), whose sum is σ = 15286201632. Its totient is φ = 1980391680.

The previous prime is 6487856959. The next prime is 6487856989. The reversal of 6487856982 is 2896587846.

6487856982 is a `hidden beast` number, since 64 + 8 + 7 + 8 + 569 + 8 + 2 = 666.

It is a super-2 number, since 2×6487856982² = 84184576437772296648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6487856989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 275194 + ... + 297837.

It is an arithmetic number, because the mean of its divisors is an integer number (318462534).

Almost surely, 2^6487856982 is an apocalyptic number.

6487856982 is an abundant number, since it is smaller than the sum of its proper divisors (8798344650).

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

6487856982 is a wasteful number, since it uses less digits than its factorization.

6487856982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573093 (or 573090 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 63.

The square root of 6487856982 is about 80547.2344776653. The cubic root of 6487856982 is about 1865.0927013940.

The spelling of 6487856982 in words is "six billion, four hundred eighty-seven million, eight hundred fifty-six thousand, nine hundred eighty-two".