6787288225 has 9 divisors (see below), whose sum is σ = 8416748217. Its totient is φ = 5429501040.

The previous prime is 6787288219. The next prime is 6787288237. The reversal of 6787288225 is 5228827876.

The square root of 6787288225 is 82385.

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

6787288225 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 638219169 + 6149069056 = 25263^2 + 78416^2 .

It is not a de Polignac number, because 6787288225 - 2³ = 6787288217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 403687 + ... + 420163.

Almost surely, 2^6787288225 is an apocalyptic number.

6787288225 is the 82385-th square number.

6787288225 is the 41193-rd centered octagonal number.

It is an amenable number.

6787288225 is a deficient number, since it is larger than the sum of its proper divisors (1629459992).

6787288225 is an frugal number, since it uses more digits than its factorization.

6787288225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32964 (or 16482 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 55.

The cubic root of 6787288225 is about 1893.3552026220.

The spelling of 6787288225 in words is "six billion, seven hundred eighty-seven million, two hundred eighty-eight thousand, two hundred twenty-five".