6805722858 has 32 divisors (see below), whose sum is σ = 15164789760. Its totient is φ = 2018459760.

The previous prime is 6805722853. The next prime is 6805722883. The reversal of 6805722858 is 8582275086.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6805722858.

It is not an unprimeable number, because it can be changed into a prime (6805722853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1093888 + ... + 1100091.

It is an arithmetic number, because the mean of its divisors is an integer number (473899680).

Almost surely, 2^6805722858 is an apocalyptic number.

6805722858 is an abundant number, since it is smaller than the sum of its proper divisors (8359066902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6805722858 is a wasteful number, since it uses less digits than its factorization.

6805722858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2194042.

The product of its (nonzero) digits is 2150400, while the sum is 51.

The square root of 6805722858 is about 82496.8051381385. The cubic root of 6805722858 is about 1895.0678039338.

The spelling of 6805722858 in words is "six billion, eight hundred five million, seven hundred twenty-two thousand, eight hundred fifty-eight".