6808247911 has 4 divisors (see below), whose sum is σ = 6853941000. Its totient is φ = 6762554824.

The previous prime is 6808247893. The next prime is 6808247987. The reversal of 6808247911 is 1197428086.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1197428086 = 2 ⋅598714043.

It is a cyclic number.

It is not a de Polignac number, because 6808247911 - 2⁷ = 6808247783 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 (6808247011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22846321 + ... + 22846618.

It is an arithmetic number, because the mean of its divisors is an integer number (1713485250).

Almost surely, 2^6808247911 is an apocalyptic number.

6808247911 is a deficient number, since it is larger than the sum of its proper divisors (45693089).

6808247911 is a wasteful number, since it uses less digits than its factorization.

6808247911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45693088.

The product of its (nonzero) digits is 193536, while the sum is 46.

The square root of 6808247911 is about 82512.1076630575. The cubic root of 6808247911 is about 1895.3021437226.

The spelling of 6808247911 in words is "six billion, eight hundred eight million, two hundred forty-seven thousand, nine hundred eleven".