6875979 has 16 divisors (see below), whose sum is σ = 10105344. Its totient is φ = 4124000.

The previous prime is 6875977. The next prime is 6875989. The reversal of 6875979 is 9795786.

It is a cyclic number.

It is not a de Polignac number, because 6875979 - 2¹ = 6875977 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6875977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2302 + ... + 4364.

It is an arithmetic number, because the mean of its divisors is an integer number (631584).

Almost surely, 2^6875979 is an apocalyptic number.

6875979 is a deficient number, since it is larger than the sum of its proper divisors (3229365).

6875979 is a wasteful number, since it uses less digits than its factorization.

6875979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178.

The product of its digits is 952560, while the sum is 51.

The square root of 6875979 is about 2622.2088017547. The cubic root of 6875979 is about 190.1566482835.

It can be divided in two parts, 687 and 5979, that added together give a palindrome (6666).

The spelling of 6875979 in words is "six million, eight hundred seventy-five thousand, nine hundred seventy-nine".