6773998225 has 6 divisors (see below), whose sum is σ = 8399757830. Its totient is φ = 5419198560.

The previous prime is 6773998181. The next prime is 6773998267. The reversal of 6773998225 is 5228993776.

It can be written as a sum of positive squares in 3 ways, for example, as 557148816 + 6216849409 = 23604^2 + 78847^2 .

It is not a de Polignac number, because 6773998225 - 2⁷ = 6773998097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6773998225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135479940 + ... + 135479989.

Almost surely, 2^6773998225 is an apocalyptic number.

It is an amenable number.

6773998225 is a deficient number, since it is larger than the sum of its proper divisors (1625759605).

6773998225 is a wasteful number, since it uses less digits than its factorization.

6773998225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270959939 (or 270959934 counting only the distinct ones).

The product of its digits is 11430720, while the sum is 58.

The square root of 6773998225 is about 82304.3025910553. The cubic root of 6773998225 is about 1892.1186198047.

The spelling of 6773998225 in words is "six billion, seven hundred seventy-three million, nine hundred ninety-eight thousand, two hundred twenty-five".