6856512304 has 40 divisors (see below), whose sum is σ = 13390303680. Its totient is φ = 3401061888.

The previous prime is 6856512277. The next prime is 6856512317. The reversal of 6856512304 is 4032156586.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1056012 + ... + 1062484.

It is an arithmetic number, because the mean of its divisors is an integer number (334757592).

Almost surely, 2^6856512304 is an apocalyptic number.

It is an amenable number.

6856512304 is a deficient number, since it is larger than the sum of its proper divisors (6533791376).

6856512304 is a wasteful number, since it uses less digits than its factorization.

6856512304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6997 (or 6991 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 6856512304 is about 82804.0597072390. The cubic root of 6856512304 is about 1899.7702680688.

The spelling of 6856512304 in words is "six billion, eight hundred fifty-six million, five hundred twelve thousand, three hundred four".