6805006487 has 16 divisors (see below), whose sum is σ = 7037902080. Its totient is φ = 6576442752.

The previous prime is 6805006469. The next prime is 6805006519. The reversal of 6805006487 is 7846005086.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6805006487 is a prime.

It is a super-2 number, since 2×6805006487² = 92616226576224162338, 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 (6805003487) 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, 2342678 + ... + 2345580.

It is an arithmetic number, because the mean of its divisors is an integer number (439868880).

Almost surely, 2^6805006487 is an apocalyptic number.

6805006487 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

6805006487 is a deficient number, since it is larger than the sum of its proper divisors (232895593).

6805006487 is a wasteful number, since it uses less digits than its factorization.

6805006487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3622.

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

The square root of 6805006487 is about 82492.4632133142. The cubic root of 6805006487 is about 1895.0013099315.

The spelling of 6805006487 in words is "six billion, eight hundred five million, six thousand, four hundred eighty-seven".