6487515982 has 32 divisors (see below), whose sum is σ = 10076140800. Its totient is φ = 3131304000.

The previous prime is 6487515887. The next prime is 6487515989. The reversal of 6487515982 is 2895157846.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6487515989) 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 15 ways as a sum of consecutive naturals, for example, 1583757 + ... + 1587847.

It is an arithmetic number, because the mean of its divisors is an integer number (314879400).

Almost surely, 2^6487515982 is an apocalyptic number.

6487515982 is a deficient number, since it is larger than the sum of its proper divisors (3588624818).

6487515982 is a wasteful number, since it uses less digits than its factorization.

6487515982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4392.

The product of its digits is 4838400, while the sum is 55.

The square root of 6487515982 is about 80545.1176794720. The cubic root of 6487515982 is about 1865.0600245663.

The spelling of 6487515982 in words is "six billion, four hundred eighty-seven million, five hundred fifteen thousand, nine hundred eighty-two".