6878379841 has 2 divisors, whose sum is σ = 6878379842. Its totient is φ = 6878379840.

The previous prime is 6878379811. The next prime is 6878379853. The reversal of 6878379841 is 1489738786.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4269315600 + 2609064241 = 65340^2 + 51079^2 .

It is a cyclic number.

It is not a de Polignac number, because 6878379841 - 2²⁵ = 6844825409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6878379841.

It is not a weakly prime, because it can be changed into another prime (6878379811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3439189920 + 3439189921.

It is an arithmetic number, because the mean of its divisors is an integer number (3439189921).

Almost surely, 2^6878379841 is an apocalyptic number.

It is an amenable number.

6878379841 is a deficient number, since it is larger than the sum of its proper divisors (1).

6878379841 is an equidigital number, since it uses as much as digits as its factorization.

6878379841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16257024, while the sum is 61.

The square root of 6878379841 is about 82935.9984626700. The cubic root of 6878379841 is about 1901.7877762941.

The spelling of 6878379841 in words is "six billion, eight hundred seventy-eight million, three hundred seventy-nine thousand, eight hundred forty-one".