6840705179 has 16 divisors (see below), whose sum is σ = 8803792896. Its totient is φ = 5158468800.

The previous prime is 6840705169. The next prime is 6840705187. The reversal of 6840705179 is 9715070486.

It is a cyclic number.

It is not a de Polignac number, because 6840705179 - 2⁴ = 6840705163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6840705169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1430522 + ... + 1435295.

It is an arithmetic number, because the mean of its divisors is an integer number (550237056).

Almost surely, 2^6840705179 is an apocalyptic number.

6840705179 is a deficient number, since it is larger than the sum of its proper divisors (1963087717).

6840705179 is a wasteful number, since it uses less digits than its factorization.

6840705179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2865866.

The product of its (nonzero) digits is 423360, while the sum is 47.

The square root of 6840705179 is about 82708.5556578036. Note that the first 3 decimals coincide. The cubic root of 6840705179 is about 1898.3092233700.

The spelling of 6840705179 in words is "six billion, eight hundred forty million, seven hundred five thousand, one hundred seventy-nine".