6856604012 has 12 divisors (see below), whose sum is σ = 12002408880. Its totient is φ = 3427344336.

The previous prime is 6856603997. The next prime is 6856604023. The reversal of 6856604012 is 2104066586.

It is a super-2 number, since 2×6856604012² = 94026037154748992288, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 223187 + ... + 252042.

It is an arithmetic number, because the mean of its divisors is an integer number (1000200740).

Almost surely, 2^6856604012 is an apocalyptic number.

It is an amenable number.

6856604012 is a deficient number, since it is larger than the sum of its proper divisors (5145804868).

6856604012 is a wasteful number, since it uses less digits than its factorization.

6856604012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478840 (or 478838 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 6856604012 is about 82804.6134705066. The cubic root of 6856604012 is about 1899.7787380385.

The spelling of 6856604012 in words is "six billion, eight hundred fifty-six million, six hundred four thousand, twelve".