6879823 has 2 divisors, whose sum is σ = 6879824. Its totient is φ = 6879822.

The previous prime is 6879811. The next prime is 6879839. The reversal of 6879823 is 3289786.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6879823 - 2²¹ = 4782671 is a prime.

It is a super-2 number, since 2×6879823² = 94663929022658, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6879823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6879893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3439911 + 3439912.

It is an arithmetic number, because the mean of its divisors is an integer number (3439912).

Almost surely, 2^6879823 is an apocalyptic number.

6879823 is a deficient number, since it is larger than the sum of its proper divisors (1).

6879823 is an equidigital number, since it uses as much as digits as its factorization.

6879823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 43.

The square root of 6879823 is about 2622.9416691951. The cubic root of 6879823 is about 190.1920772255.

The spelling of 6879823 in words is "six million, eight hundred seventy-nine thousand, eight hundred twenty-three".