7794230994225 has 243 divisors, whose sum is σ = 15375611373057. Its totient is φ = 3772568442240.

The previous prime is 7794230994191. The next prime is 7794230994287. The reversal of 7794230994225 is 5224990324977.

The square root of 7794230994225 is 2791815.

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

7794230994225 is a `hidden beast` number, since 7 + 7 + 94 + 2 + 30 + 99 + 422 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2008974568689 + 5785256425536 = 1417383^2 + 2405256^2 .

It is not a de Polignac number, because 7794230994225 - 2⁹ = 7794230993713 is a prime.

It is an unprimeable number.

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 242 ways as a sum of consecutive naturals, for example, 56073604206 + ... + 56073604344.

Almost surely, 2^{7794230994225} is an apocalyptic number.

7794230994225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

7794230994225 is the 2791815-th square number.

7794230994225 is the 1395908-th centered octagonal number.

It is an amenable number.

7794230994225 is a deficient number, since it is larger than the sum of its proper divisors (7581380378832).

7794230994225 is a wasteful number, since it uses less digits than its factorization.

7794230994225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 68584320, while the sum is 63.

The spelling of 7794230994225 in words is "seven trillion, seven hundred ninety-four billion, two hundred thirty million, nine hundred ninety-four thousand, two hundred twenty-five".