6879994434 has 24 divisors (see below), whose sum is σ = 15151028412. Its totient is φ = 2255735520.

The previous prime is 6879994421. The next prime is 6879994447. The reversal of 6879994434 is 4344999786.

6879994434 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6879994421) and next prime (6879994447).

It can be written as a sum of positive squares in 2 ways, for example, as 6855343209 + 24651225 = 82797^2 + 4965^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3131869 + ... + 3134064.

Almost surely, 2^6879994434 is an apocalyptic number.

6879994434 is an abundant number, since it is smaller than the sum of its proper divisors (8271033978).

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

6879994434 is a wasteful number, since it uses less digits than its factorization.

6879994434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6266002 (or 6265999 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 63.

The square root of 6879994434 is about 82945.7318612597. The cubic root of 6879994434 is about 1901.9365697151.

The spelling of 6879994434 in words is "six billion, eight hundred seventy-nine million, nine hundred ninety-four thousand, four hundred thirty-four".