8427496090225 has 27 divisors (see below), whose sum is σ = 10528337109537. Its totient is φ = 6691890833280.

The previous prime is 8427496090177. The next prime is 8427496090241. The reversal of 8427496090225 is 5220906947248.

The square root of 8427496090225 is 2903015.

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

It can be written as a sum of positive squares in 4 ways, for example, as 1068624590049 + 7358871500176 = 1033743^2 + 2712724^2 .

It is not a de Polignac number, because 8427496090225 - 2⁹ = 8427496089713 is a prime.

It is a super-2 number, since 2×8427496090225² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8427496090225.

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 26 ways as a sum of consecutive naturals, for example, 2017593337 + ... + 2017597513.

Almost surely, 2^{8427496090225} is an apocalyptic number.

8427496090225 is the 2903015-th square number.

8427496090225 is the 1451508-th centered octagonal number.

It is an amenable number.

8427496090225 is a deficient number, since it is larger than the sum of its proper divisors (2100841019312).

8427496090225 is an frugal number, since it uses more digits than its factorization.

8427496090225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8642 (or 4321 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 58.

The spelling of 8427496090225 in words is "eight trillion, four hundred twenty-seven billion, four hundred ninety-six million, ninety thousand, two hundred twenty-five".