6775979 has 8 divisors (see below), whose sum is σ = 8199648. Its totient is φ = 5466240.

The previous prime is 6775969. The next prime is 6775981. The reversal of 6775979 is 9795776.

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 6775979 - 2¹² = 6771883 is a prime.

It is a super-3 number, since 3×6775979³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6775919) 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 7 ways as a sum of consecutive naturals, for example, 28352 + ... + 28589.

It is an arithmetic number, because the mean of its divisors is an integer number (1024956).

Almost surely, 2^6775979 is an apocalyptic number.

6775979 is a deficient number, since it is larger than the sum of its proper divisors (1423669).

6775979 is a wasteful number, since it uses less digits than its factorization.

6775979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56965.

The product of its digits is 833490, while the sum is 50.

The square root of 6775979 is about 2603.0710708699. The cubic root of 6775979 is about 189.2303025719.

The spelling of 6775979 in words is "six million, seven hundred seventy-five thousand, nine hundred seventy-nine".