794834656225 has 9 divisors (see below), whose sum is σ = 985600501267. Its totient is φ = 635864158840.

The previous prime is 794834656219. The next prime is 794834656229. The reversal of 794834656225 is 522656438497.

It is a happy number.

The square root of 794834656225 is 891535.

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

It can be written as a sum of positive squares in only one way, i.e., 286140476241 + 508694179984 = 534921^2 + 713228^2 .

It is a de Polignac number, because none of the positive numbers 2^k-794834656225 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (794834656229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4368522 + ... + 4546828.

Almost surely, 2^794834656225 is an apocalyptic number.

794834656225 is the 891535-th square number.

794834656225 is the 445768-th centered octagonal number.

It is an amenable number.

794834656225 is a deficient number, since it is larger than the sum of its proper divisors (190765845042).

794834656225 is an frugal number, since it uses more digits than its factorization.

794834656225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356624 (or 178312 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 61.

The spelling of 794834656225 in words is "seven hundred ninety-four billion, eight hundred thirty-four million, six hundred fifty-six thousand, two hundred twenty-five".