6878818434 has 32 divisors (see below), whose sum is σ = 13895038080. Its totient is φ = 2270073600.

The previous prime is 6878818423. The next prime is 6878818447. The reversal of 6878818434 is 4348188786.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 984714 + ... + 991674.

It is an arithmetic number, because the mean of its divisors is an integer number (434219940).

Almost surely, 2^6878818434 is an apocalyptic number.

6878818434 is an abundant number, since it is smaller than the sum of its proper divisors (7016219646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6878818434 is a wasteful number, since it uses less digits than its factorization.

6878818434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8586.

The product of its digits is 8257536, while the sum is 57.

The square root of 6878818434 is about 82938.6425859502. The cubic root of 6878818434 is about 1901.8281972991.

The spelling of 6878818434 in words is "six billion, eight hundred seventy-eight million, eight hundred eighteen thousand, four hundred thirty-four".