6805711947 has 8 divisors (see below), whose sum is σ = 9074664144. Its totient is φ = 4536950528.

The previous prime is 6805711943. The next prime is 6805711961. The reversal of 6805711947 is 7491175086.

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 6805711947 - 2² = 6805711943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6805711896 and 6805711905.

It is not an unprimeable number, because it can be changed into a prime (6805711943) 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, 110623 + ... + 160775.

It is an arithmetic number, because the mean of its divisors is an integer number (1134333018).

Almost surely, 2^6805711947 is an apocalyptic number.

6805711947 is a deficient number, since it is larger than the sum of its proper divisors (2268952197).

6805711947 is a wasteful number, since it uses less digits than its factorization.

6805711947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95389.

The product of its (nonzero) digits is 423360, while the sum is 48.

The square root of 6805711947 is about 82496.7390082784. The cubic root of 6805711947 is about 1895.0667912029.

The spelling of 6805711947 in words is "six billion, eight hundred five million, seven hundred eleven thousand, nine hundred forty-seven".