78448732363 has 2 divisors, whose sum is σ = 78448732364. Its totient is φ = 78448732362.

The previous prime is 78448732343. The next prime is 78448732393. The reversal of 78448732363 is 36323784487.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78448732363 is a prime.

It is not a weakly prime, because it can be changed into another prime (78448732303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39224366181 + 39224366182.

It is an arithmetic number, because the mean of its divisors is an integer number (39224366182).

Almost surely, 2^78448732363 is an apocalyptic number.

78448732363 is a deficient number, since it is larger than the sum of its proper divisors (1).

78448732363 is an equidigital number, since it uses as much as digits as its factorization.

78448732363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16257024, while the sum is 55.

The spelling of 78448732363 in words is "seventy-eight billion, four hundred forty-eight million, seven hundred thirty-two thousand, three hundred sixty-three".