6868029779 has 8 divisors (see below), whose sum is σ = 7398380640. Its totient is φ = 6337970496.

The previous prime is 6868029743. The next prime is 6868029781. The reversal of 6868029779 is 9779208686.

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 6868029779 - 2²⁰ = 6866981203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6868029079) 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, 22682 + ... + 119375.

It is an arithmetic number, because the mean of its divisors is an integer number (924797580).

Almost surely, 2^6868029779 is an apocalyptic number.

6868029779 is a deficient number, since it is larger than the sum of its proper divisors (530350861).

6868029779 is a wasteful number, since it uses less digits than its factorization.

6868029779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145789.

The product of its (nonzero) digits is 18289152, while the sum is 62.

The square root of 6868029779 is about 82873.5770858239. The cubic root of 6868029779 is about 1900.8334089907.

The spelling of 6868029779 in words is "six billion, eight hundred sixty-eight million, twenty-nine thousand, seven hundred seventy-nine".