6878449743 has 16 divisors (see below), whose sum is σ = 10154349696. Its totient is φ = 4106535840.

The previous prime is 6878449733. The next prime is 6878449757. The reversal of 6878449743 is 3479448786.

It is not a de Polignac number, because 6878449743 - 2⁹ = 6878449231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6878449723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1553296 + ... + 1557717.

It is an arithmetic number, because the mean of its divisors is an integer number (634646856).

Almost surely, 2^6878449743 is an apocalyptic number.

6878449743 is a deficient number, since it is larger than the sum of its proper divisors (3275899953).

6878449743 is a wasteful number, since it uses less digits than its factorization.

6878449743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111094.

The product of its digits is 32514048, while the sum is 60.

The square root of 6878449743 is about 82936.4198829441. The cubic root of 6878449743 is about 1901.7942186212.

The spelling of 6878449743 in words is "six billion, eight hundred seventy-eight million, four hundred forty-nine thousand, seven hundred forty-three".