8278270225 has 27 divisors (see below), whose sum is σ = 10624967931. Its totient is φ = 6398065200.

The previous prime is 8278270219. The next prime is 8278270237. The reversal of 8278270225 is 5220728728.

The square root of 8278270225 is 90985.

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., 2980177281 + 5298092944 = 54591^2 + 72788^2 .

It is not a de Polignac number, because 8278270225 - 2¹⁹ = 8277745937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 14102382 + ... + 14102968.

Almost surely, 2^8278270225 is an apocalyptic number.

8278270225 is the 90985-th square number.

8278270225 is the 45493-rd centered octagonal number.

It is an amenable number.

8278270225 is a deficient number, since it is larger than the sum of its proper divisors (2346697706).

8278270225 is an frugal number, since it uses more digits than its factorization.

8278270225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 43.

The cubic root of 8278270225 is about 2022.9253944786.

The spelling of 8278270225 in words is "eight billion, two hundred seventy-eight million, two hundred seventy thousand, two hundred twenty-five".