8661265307 has 2 divisors, whose sum is σ = 8661265308. Its totient is φ = 8661265306.

The previous prime is 8661265289. The next prime is 8661265321. The reversal of 8661265307 is 7035621668.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8661265307 is a prime.

It is not a weakly prime, because it can be changed into another prime (8664265307) by changing a digit.

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, 4330632653 + 4330632654.

It is an arithmetic number, because the mean of its divisors is an integer number (4330632654).

Almost surely, 2^8661265307 is an apocalyptic number.

8661265307 is a deficient number, since it is larger than the sum of its proper divisors (1).

8661265307 is an equidigital number, since it uses as much as digits as its factorization.

8661265307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 8661265307 is about 93065.9191487410. The cubic root of 8661265307 is about 2053.6532365259.

The spelling of 8661265307 in words is "eight billion, six hundred sixty-one million, two hundred sixty-five thousand, three hundred seven".