8647125023 has 2 divisors, whose sum is σ = 8647125024. Its totient is φ = 8647125022.

The previous prime is 8647125013. The next prime is 8647125163. The reversal of 8647125023 is 3205217468.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8647125023 - 2¹⁸ = 8646862879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8647125013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4323562511 + 4323562512.

It is an arithmetic number, because the mean of its divisors is an integer number (4323562512).

Almost surely, 2^8647125023 is an apocalyptic number.

8647125023 is a deficient number, since it is larger than the sum of its proper divisors (1).

8647125023 is an equidigital number, since it uses as much as digits as its factorization.

8647125023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 8647125023 is about 92989.9189321079. The cubic root of 8647125023 is about 2052.5350374189.

The spelling of 8647125023 in words is "eight billion, six hundred forty-seven million, one hundred twenty-five thousand, twenty-three".