6820826044808 has 8 divisors (see below), whose sum is σ = 12789048834030. Its totient is φ = 3410413022400.

The previous prime is 6820826044787. The next prime is 6820826044843. The reversal of 6820826044808 is 8084406280286.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6082329872644 + 738496172164 = 2466238^2 + 859358^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×6820826044808² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426301627793 + ... + 426301627808.

Almost surely, 2^{6820826044808} is an apocalyptic number.

It is an amenable number.

6820826044808 is a deficient number, since it is larger than the sum of its proper divisors (5968222789222).

6820826044808 is a wasteful number, since it uses less digits than its factorization.

6820826044808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852603255607 (or 852603255603 counting only the distinct ones).

The product of its (nonzero) digits is 9437184, while the sum is 56.

The spelling of 6820826044808 in words is "six trillion, eight hundred twenty billion, eight hundred twenty-six million, forty-four thousand, eight hundred eight".