8569229725 has 12 divisors (see below), whose sum is σ = 12143822944. Its totient is φ = 5876043120.

The previous prime is 8569229719. The next prime is 8569229731. The reversal of 8569229725 is 5279229658.

It is an interprime number because it is at equal distance from previous prime (8569229719) and next prime (8569229731).

It is not a de Polignac number, because 8569229725 - 2⁹ = 8569229213 is a prime.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24483339 + ... + 24483688.

Almost surely, 2^8569229725 is an apocalyptic number.

It is an amenable number.

8569229725 is a deficient number, since it is larger than the sum of its proper divisors (3574593219).

8569229725 is a wasteful number, since it uses less digits than its factorization.

8569229725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48967044 (or 48967039 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 55.

The square root of 8569229725 is about 92570.1340876203. The cubic root of 8569229725 is about 2046.3532011722.

The spelling of 8569229725 in words is "eight billion, five hundred sixty-nine million, two hundred twenty-nine thousand, seven hundred twenty-five".