6811385087 has 8 divisors (see below), whose sum is σ = 7766828496. Its totient is φ = 5917583232.

The previous prime is 6811385081. The next prime is 6811385099. The reversal of 6811385087 is 7805831186.

It is a happy number.

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 6811385087 - 2²² = 6807190783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6811385081) 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, 15410153 + ... + 15410594.

It is an arithmetic number, because the mean of its divisors is an integer number (970853562).

Almost surely, 2^6811385087 is an apocalyptic number.

6811385087 is a deficient number, since it is larger than the sum of its proper divisors (955443409).

6811385087 is a wasteful number, since it uses less digits than its factorization.

6811385087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30820777.

The product of its (nonzero) digits is 322560, while the sum is 47.

The square root of 6811385087 is about 82531.1158715305. The cubic root of 6811385087 is about 1895.5932114314.

The spelling of 6811385087 in words is "six billion, eight hundred eleven million, three hundred eighty-five thousand, eighty-seven".