6520082687 has 8 divisors (see below), whose sum is σ = 6859627152. Its totient is φ = 6189134400.

The previous prime is 6520082671. The next prime is 6520082713. The reversal of 6520082687 is 7862800256.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6520082687 - 2⁴ = 6520082671 is a prime.

It is a super-2 number, since 2×6520082687² = 85022956490634279938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6520082627) 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, 2147489 + ... + 2150522.

It is an arithmetic number, because the mean of its divisors is an integer number (857453394).

Almost surely, 2^6520082687 is an apocalyptic number.

6520082687 is a deficient number, since it is larger than the sum of its proper divisors (339544465).

6520082687 is a wasteful number, since it uses less digits than its factorization.

6520082687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4298089.

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 6520082687 is about 80747.0289670153. The cubic root of 6520082687 is about 1868.1756242239.

The spelling of 6520082687 in words is "six billion, five hundred twenty million, eighty-two thousand, six hundred eighty-seven".