6870645979 has 8 divisors (see below), whose sum is σ = 7031144448. Its totient is φ = 6710744040.

The previous prime is 6870645973. The next prime is 6870645989. The reversal of 6870645979 is 9795460786.

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

It is a cyclic number.

It is not a de Polignac number, because 6870645979 - 2²⁹ = 6333775067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6870645973) 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 7 ways as a sum of consecutive naturals, for example, 125787 + ... + 171940.

It is an arithmetic number, because the mean of its divisors is an integer number (878893056).

Almost surely, 2^6870645979 is an apocalyptic number.

6870645979 is a deficient number, since it is larger than the sum of its proper divisors (160498469).

6870645979 is a wasteful number, since it uses less digits than its factorization.

6870645979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298265.

The product of its (nonzero) digits is 22861440, while the sum is 61.

The square root of 6870645979 is about 82889.3598660286. The cubic root of 6870645979 is about 1901.0747362814.

The spelling of 6870645979 in words is "six billion, eight hundred seventy million, six hundred forty-five thousand, nine hundred seventy-nine".