6688087311 has 8 divisors (see below), whose sum is σ = 8929170864. Its totient is φ = 4452864320.

The previous prime is 6688087303. The next prime is 6688087313. The reversal of 6688087311 is 1137808866.

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 6688087311 - 2³ = 6688087303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6688087313) 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, 1462476 + ... + 1467041.

It is an arithmetic number, because the mean of its divisors is an integer number (1116146358).

Almost surely, 2^6688087311 is an apocalyptic number.

6688087311 is a deficient number, since it is larger than the sum of its proper divisors (2241083553).

6688087311 is a wasteful number, since it uses less digits than its factorization.

6688087311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2930281.

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 6688087311 is about 81780.7270143767. The cubic root of 6688087311 is about 1884.0856624719.

The spelling of 6688087311 in words is "six billion, six hundred eighty-eight million, eighty-seven thousand, three hundred eleven".