6879955972 has 24 divisors (see below), whose sum is σ = 12376693784. Its totient is φ = 3343928832.

The previous prime is 6879955939. The next prime is 6879955987. The reversal of 6879955972 is 2795599786.

It can be written as a sum of positive squares in 4 ways, for example, as 3000410176 + 3879545796 = 54776^2 + 62286^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6879955898 and 6879955907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144508 + ... + 186124.

Almost surely, 2^6879955972 is an apocalyptic number.

It is an amenable number.

6879955972 is a deficient number, since it is larger than the sum of its proper divisors (5496737812).

6879955972 is a wasteful number, since it uses less digits than its factorization.

6879955972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42775 (or 42773 counting only the distinct ones).

The product of its digits is 85730400, while the sum is 67.

The square root of 6879955972 is about 82945.5000105491. The cubic root of 6879955972 is about 1901.9330255058.

The spelling of 6879955972 in words is "six billion, eight hundred seventy-nine million, nine hundred fifty-five thousand, nine hundred seventy-two".