6784670791 has 2 divisors, whose sum is σ = 6784670792. Its totient is φ = 6784670790.

The previous prime is 6784670773. The next prime is 6784670807. The reversal of 6784670791 is 1970764876.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6784670791 - 2¹¹ = 6784668743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6784670731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3392335395 + 3392335396.

It is an arithmetic number, because the mean of its divisors is an integer number (3392335396).

Almost surely, 2^6784670791 is an apocalyptic number.

6784670791 is a deficient number, since it is larger than the sum of its proper divisors (1).

6784670791 is an equidigital number, since it uses as much as digits as its factorization.

6784670791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3556224, while the sum is 55.

The square root of 6784670791 is about 82369.1130885844. The cubic root of 6784670791 is about 1893.1117883014. Note that the first 3 decimals are identical.

The spelling of 6784670791 in words is "six billion, seven hundred eighty-four million, six hundred seventy thousand, seven hundred ninety-one".