6808225815 has 24 divisors (see below), whose sum is σ = 11922591408. Its totient is φ = 3593617920.

The previous prime is 6808225777. The next prime is 6808225847. The reversal of 6808225815 is 5185228086.

6808225815 is a `hidden beast` number, since 68 + 0 + 8 + 2 + 2 + 581 + 5 = 666.

6808225815 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6808225815 - 2¹⁰ = 6808224791 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 775501 + ... + 784230.

It is an arithmetic number, because the mean of its divisors is an integer number (496774642).

Almost surely, 2^6808225815 is an apocalyptic number.

6808225815 is a deficient number, since it is larger than the sum of its proper divisors (5114365593).

6808225815 is a wasteful number, since it uses less digits than its factorization.

6808225815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559839 (or 1559836 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 45.

The square root of 6808225815 is about 82511.9737674478. The cubic root of 6808225815 is about 1895.3000933350.

The spelling of 6808225815 in words is "six billion, eight hundred eight million, two hundred twenty-five thousand, eight hundred fifteen".