8894748782239 has 2 divisors, whose sum is σ = 8894748782240. Its totient is φ = 8894748782238.

The previous prime is 8894748782203. The next prime is 8894748782267. The reversal of 8894748782239 is 9322878474988.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8894748782239 - 2⁷ = 8894748782111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8894748782939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4447374391119 + 4447374391120.

It is an arithmetic number, because the mean of its divisors is an integer number (4447374391120).

Almost surely, 2^{8894748782239} is an apocalyptic number.

8894748782239 is a deficient number, since it is larger than the sum of its proper divisors (1).

8894748782239 is an equidigital number, since it uses as much as digits as its factorization.

8894748782239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3121348608, while the sum is 79.

The spelling of 8894748782239 in words is "eight trillion, eight hundred ninety-four billion, seven hundred forty-eight million, seven hundred eighty-two thousand, two hundred thirty-nine".