8372861225 has 6 divisors (see below), whose sum is σ = 10382347950. Its totient is φ = 6698288960.

The previous prime is 8372861197. The next prime is 8372861251. The reversal of 8372861225 is 5221682738.

It can be written as a sum of positive squares in 3 ways, for example, as 51955264 + 8320905961 = 7208^2 + 91219^2 .

It is not a de Polignac number, because 8372861225 - 2¹⁰ = 8372860201 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 167457200 + ... + 167457249.

It is an arithmetic number, because the mean of its divisors is an integer number (1730391325).

Almost surely, 2^8372861225 is an apocalyptic number.

It is an amenable number.

8372861225 is a deficient number, since it is larger than the sum of its proper divisors (2009486725).

8372861225 is a wasteful number, since it uses less digits than its factorization.

8372861225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334914459 (or 334914454 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The square root of 8372861225 is about 91503.3399663641. The cubic root of 8372861225 is about 2030.6011651063.

The spelling of 8372861225 in words is "eight billion, three hundred seventy-two million, eight hundred sixty-one thousand, two hundred twenty-five".