78863263661383 has 2 divisors, whose sum is σ = 78863263661384. Its totient is φ = 78863263661382.

The previous prime is 78863263661263. The next prime is 78863263661419. The reversal of 78863263661383 is 38316636236887.

It is a strong prime.

It is an emirp because it is prime and its reverse (38316636236887) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78863263661383 - 2²¹ = 78863261564231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78863263662383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39431631830691 + 39431631830692.

It is an arithmetic number, because the mean of its divisors is an integer number (39431631830692).

Almost surely, 2^{78863263661383} is an apocalyptic number.

78863263661383 is a deficient number, since it is larger than the sum of its proper divisors (1).

78863263661383 is an equidigital number, since it uses as much as digits as its factorization.

78863263661383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 752467968, while the sum is 70.

The spelling of 78863263661383 in words is "seventy-eight trillion, eight hundred sixty-three billion, two hundred sixty-three million, six hundred sixty-one thousand, three hundred eighty-three".