6844773656 has 32 divisors (see below), whose sum is σ = 14671338240. Its totient is φ = 2932681248.

The previous prime is 6844773653. The next prime is 6844773697. The reversal of 6844773656 is 6563774486.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6844773653) 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, 223205 + ... + 252011.

It is an arithmetic number, because the mean of its divisors is an integer number (458479320).

Almost surely, 2^6844773656 is an apocalyptic number.

It is an amenable number.

6844773656 is an abundant number, since it is smaller than the sum of its proper divisors (7826564584).

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

6844773656 is a wasteful number, since it uses less digits than its factorization.

6844773656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33063 (or 33059 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 56.

The square root of 6844773656 is about 82733.1472627507. The cubic root of 6844773656 is about 1898.6854855925.

The spelling of 6844773656 in words is "six billion, eight hundred forty-four million, seven hundred seventy-three thousand, six hundred fifty-six".