6855508804 has 9 divisors (see below), whose sum is σ = 11997430207. Its totient is φ = 3427671604.

The previous prime is 6855508801. The next prime is 6855508831. The reversal of 6855508804 is 4088055586.

It is a happy number.

The square root of 6855508804 is 82798.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6855508801) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 144897 + ... + 186295.

Almost surely, 2^6855508804 is an apocalyptic number.

6855508804 is the 82798-th square number.

It is an amenable number.

6855508804 is a deficient number, since it is larger than the sum of its proper divisors (5141921403).

6855508804 is an frugal number, since it uses more digits than its factorization.

6855508804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82802 (or 41401 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 49.

The cubic root of 6855508804 is about 1899.6775818558.

Multiplying 6855508804 by its sum of digits (49), we get a square (335919931396 = 579586²).

The spelling of 6855508804 in words is "six billion, eight hundred fifty-five million, five hundred eight thousand, eight hundred four".