6855182979 has 16 divisors (see below), whose sum is σ = 9364792320. Its totient is φ = 4458474560.

The previous prime is 6855182953. The next prime is 6855183031. The reversal of 6855182979 is 9792815586.

It is a cyclic number.

It is not a de Polignac number, because 6855182979 - 2⁵ = 6855182947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6855187979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34314 + ... + 122015.

It is an arithmetic number, because the mean of its divisors is an integer number (585299520).

Almost surely, 2^6855182979 is an apocalyptic number.

6855182979 is a deficient number, since it is larger than the sum of its proper divisors (2509609341).

6855182979 is a wasteful number, since it uses less digits than its factorization.

6855182979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156690.

The product of its digits is 10886400, while the sum is 60.

The square root of 6855182979 is about 82796.0323868239. The cubic root of 6855182979 is about 1899.6474857549.

The spelling of 6855182979 in words is "six billion, eight hundred fifty-five million, one hundred eighty-two thousand, nine hundred seventy-nine".