8662205725 has 6 divisors (see below), whose sum is σ = 10741135130. Its totient is φ = 6929764560.

The previous prime is 8662205711. The next prime is 8662205737. The reversal of 8662205725 is 5275022668.

It can be written as a sum of positive squares in 3 ways, for example, as 473584644 + 8188621081 = 21762^2 + 90491^2 .

It is not a de Polignac number, because 8662205725 - 2¹¹ = 8662203677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 173244090 + ... + 173244139.

Almost surely, 2^8662205725 is an apocalyptic number.

It is an amenable number.

8662205725 is a deficient number, since it is larger than the sum of its proper divisors (2078929405).

8662205725 is a wasteful number, since it uses less digits than its factorization.

8662205725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346488239 (or 346488234 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 43.

The square root of 8662205725 is about 93070.9714411534. The cubic root of 8662205725 is about 2053.7275606385.

The spelling of 8662205725 in words is "eight billion, six hundred sixty-two million, two hundred five thousand, seven hundred twenty-five".