6587707681 has 8 divisors (see below), whose sum is σ = 6665048000. Its totient is φ = 6510624912.

The previous prime is 6587707673. The next prime is 6587707727. The reversal of 6587707681 is 1867077856.

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 6587707681 - 2³ = 6587707673 is a prime.

It is a super-2 number, since 2×6587707681² = 86795784980612795522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6587707631) 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, 12690 + ... + 115483.

It is an arithmetic number, because the mean of its divisors is an integer number (833131000).

Almost surely, 2^6587707681 is an apocalyptic number.

It is an amenable number.

6587707681 is a deficient number, since it is larger than the sum of its proper divisors (77340319).

6587707681 is a wasteful number, since it uses less digits than its factorization.

6587707681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128775.

The product of its (nonzero) digits is 3951360, while the sum is 55.

The square root of 6587707681 is about 81164.6947939805. The cubic root of 6587707681 is about 1874.6122036278.

The spelling of 6587707681 in words is "six billion, five hundred eighty-seven million, seven hundred seven thousand, six hundred eighty-one".