6859720804 has 12 divisors (see below), whose sum is σ = 12008379628. Its totient is φ = 3428755200.

The previous prime is 6859720801. The next prime is 6859720817. The reversal of 6859720804 is 4080279586.

It can be written as a sum of positive squares in 2 ways, for example, as 3331598400 + 3528122404 = 57720^2 + 59398^2 .

It is not an unprimeable number, because it can be changed into a prime (6859720801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262257 + ... + 287224.

Almost surely, 2^6859720804 is an apocalyptic number.

It is an amenable number.

6859720804 is a deficient number, since it is larger than the sum of its proper divisors (5148658824).

6859720804 is a wasteful number, since it uses less digits than its factorization.

6859720804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552606 (or 552604 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The square root of 6859720804 is about 82823.4314913358. The cubic root of 6859720804 is about 1900.0665539014.

It can be divided in two parts, 68597 and 20804, that added together give a square (89401 = 299²).

The spelling of 6859720804 in words is "six billion, eight hundred fifty-nine million, seven hundred twenty thousand, eight hundred four".