8647125082 has 4 divisors (see below), whose sum is σ = 12970687626. Its totient is φ = 4323562540.

The previous prime is 8647125023. The next prime is 8647125163. The reversal of 8647125082 is 2805217468.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4579364241 + 4067760841 = 67671^2 + 63779^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2161781269 + ... + 2161781272.

Almost surely, 2^8647125082 is an apocalyptic number.

8647125082 is a deficient number, since it is larger than the sum of its proper divisors (4323562544).

8647125082 is a wasteful number, since it uses less digits than its factorization.

8647125082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4323562543.

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 8647125082 is about 92989.9192493466. The cubic root of 8647125082 is about 2052.5350420871.

The spelling of 8647125082 in words is "eight billion, six hundred forty-seven million, one hundred twenty-five thousand, eighty-two".