8775606393225 has 243 divisors, whose sum is σ = 18550572789567. Its totient is φ = 3954117404160.

The previous prime is 8775606393223. The next prime is 8775606393269. The reversal of 8775606393225 is 5223936065778.

It is a happy number.

The square root of 8775606393225 is 2962365.

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

8775606393225 is a `hidden beast` number, since 8 + 7 + 7 + 560 + 6 + 39 + 32 + 2 + 5 = 666.

It can be written as a sum of positive squares in 13 ways, for example, as 8300466388809 + 475140004416 = 2881053^2 + 689304^2 .

It is not a de Polignac number, because 8775606393225 - 2¹ = 8775606393223 is a prime.

It is a super-2 number, since 2×8775606393225² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8775606393223) by changing a digit.

It is a polite number, since it can be written in 242 ways as a sum of consecutive naturals, for example, 27683300767 + ... + 27683301083.

Almost surely, 2^{8775606393225} is an apocalyptic number.

8775606393225 is the 2962365-th square number.

8775606393225 is the 1481183-rd centered octagonal number.

It is an amenable number.

8775606393225 is an abundant number, since it is smaller than the sum of its proper divisors (9774966396342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8775606393225 is an equidigital number, since it uses as much as digits as its factorization.

8775606393225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 114307200, while the sum is 63.

The spelling of 8775606393225 in words is "eight trillion, seven hundred seventy-five billion, six hundred six million, three hundred ninety-three thousand, two hundred twenty-five".