6768858821 has 8 divisors (see below), whose sum is σ = 6801984000. Its totient is φ = 6735758832.

The previous prime is 6768858763. The next prime is 6768858823. The reversal of 6768858821 is 1288588676.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6768858821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6768858823) 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 in 7 ways as a sum of consecutive naturals, for example, 747680 + ... + 756678.

It is an arithmetic number, because the mean of its divisors is an integer number (850248000).

Almost surely, 2^6768858821 is an apocalyptic number.

It is an amenable number.

6768858821 is a deficient number, since it is larger than the sum of its proper divisors (33125179).

6768858821 is a wasteful number, since it uses less digits than its factorization.

6768858821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12595.

The product of its digits is 10321920, while the sum is 59.

The square root of 6768858821 is about 82273.0747024809. The cubic root of 6768858821 is about 1891.6399845883.

The spelling of 6768858821 in words is "six billion, seven hundred sixty-eight million, eight hundred fifty-eight thousand, eight hundred twenty-one".