6878479 has 2 divisors, whose sum is σ = 6878480. Its totient is φ = 6878478.

The previous prime is 6878467. The next prime is 6878491. The reversal of 6878479 is 9748786.

It is a balanced prime because it is at equal distance from previous prime (6878467) and next prime (6878491).

It is a cyclic number.

It is not a de Polignac number, because 6878479 - 2⁷ = 6878351 is a prime.

6878479 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6878429) 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 as a sum of consecutive naturals, namely, 3439239 + 3439240.

It is an arithmetic number, because the mean of its divisors is an integer number (3439240).

Almost surely, 2^6878479 is an apocalyptic number.

6878479 is a deficient number, since it is larger than the sum of its proper divisors (1).

6878479 is an equidigital number, since it uses as much as digits as its factorization.

6878479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 677376, while the sum is 49.

The square root of 6878479 is about 2622.6854557876. The cubic root of 6878479 is about 190.1796915000.

The spelling of 6878479 in words is "six million, eight hundred seventy-eight thousand, four hundred seventy-nine".