6766139829 has 8 divisors (see below), whose sum is σ = 9058954432. Its totient is φ = 4492042560.

The previous prime is 6766139801. The next prime is 6766139851. The reversal of 6766139829 is 9289316676.

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 6766139829 - 2⁵ = 6766139797 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 (6766139869) 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, 4678489 + ... + 4679934.

It is an arithmetic number, because the mean of its divisors is an integer number (1132369304).

Almost surely, 2^6766139829 is an apocalyptic number.

It is an amenable number.

6766139829 is a deficient number, since it is larger than the sum of its proper divisors (2292814603).

6766139829 is a wasteful number, since it uses less digits than its factorization.

6766139829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9358667.

The product of its digits is 5878656, while the sum is 57.

The square root of 6766139829 is about 82256.5488517480. The cubic root of 6766139829 is about 1891.3866655304.

The spelling of 6766139829 in words is "six billion, seven hundred sixty-six million, one hundred thirty-nine thousand, eight hundred twenty-nine".