8586857225 has 12 divisors (see below), whose sum is σ = 11014866060. Its totient is φ = 6632606400.

The previous prime is 8586857173. The next prime is 8586857261. The reversal of 8586857225 is 5227586858.

It can be written as a sum of positive squares in 6 ways, for example, as 923430544 + 7663426681 = 30388^2 + 87541^2 .

It is a de Polignac number, because none of the positive numbers 2^k-8586857225 is a prime.

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, 5921246 + ... + 5922695.

It is an arithmetic number, because the mean of its divisors is an integer number (917905505).

Almost surely, 2^8586857225 is an apocalyptic number.

It is an amenable number.

8586857225 is a deficient number, since it is larger than the sum of its proper divisors (2428008835).

8586857225 is a wasteful number, since it uses less digits than its factorization.

8586857225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11843980 (or 11843975 counting only the distinct ones).

The product of its digits is 10752000, while the sum is 56.

The square root of 8586857225 is about 92665.2967674523. The cubic root of 8586857225 is about 2047.7554036327.

The spelling of 8586857225 in words is "eight billion, five hundred eighty-six million, eight hundred fifty-seven thousand, two hundred twenty-five".