6878639922 has 64 divisors (see below), whose sum is σ = 17164514304. Its totient is φ = 1785349440.

The previous prime is 6878639917. The next prime is 6878639947. The reversal of 6878639922 is 2299368786.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 733153 + ... + 742475.

It is an arithmetic number, because the mean of its divisors is an integer number (268195536).

Almost surely, 2^6878639922 is an apocalyptic number.

6878639922 is an abundant number, since it is smaller than the sum of its proper divisors (10285874382).

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

6878639922 is a wasteful number, since it uses less digits than its factorization.

6878639922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10943.

The product of its digits is 15676416, while the sum is 60.

The square root of 6878639922 is about 82937.5664099207. The cubic root of 6878639922 is about 1901.8117457289.

The spelling of 6878639922 in words is "six billion, eight hundred seventy-eight million, six hundred thirty-nine thousand, nine hundred twenty-two".