6778933833 has 8 divisors (see below), whose sum is σ = 10329803968. Its totient is φ = 3873676464.

The previous prime is 6778933817. The next prime is 6778933883. The reversal of 6778933833 is 3383398776.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6778933833 - 2⁴ = 6778933817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6778933883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161403166 + ... + 161403207.

It is an arithmetic number, because the mean of its divisors is an integer number (1291225496).

Almost surely, 2^6778933833 is an apocalyptic number.

It is an amenable number.

6778933833 is a deficient number, since it is larger than the sum of its proper divisors (3550870135).

6778933833 is a wasteful number, since it uses less digits than its factorization.

6778933833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322806383.

The product of its digits is 13716864, while the sum is 57.

The square root of 6778933833 is about 82334.2810316578. The cubic root of 6778933833 is about 1892.5780475704.

The spelling of 6778933833 in words is "six billion, seven hundred seventy-eight million, nine hundred thirty-three thousand, eight hundred thirty-three".