78785748853463 has 2 divisors, whose sum is σ = 78785748853464. Its totient is φ = 78785748853462.

The previous prime is 78785748853451. The next prime is 78785748853579. The reversal of 78785748853463 is 36435884758787.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78785748853463 - 2¹⁰ = 78785748852439 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78785748843463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39392874426731 + 39392874426732.

It is an arithmetic number, because the mean of its divisors is an integer number (39392874426732).

Almost surely, 2^{78785748853463} is an apocalyptic number.

78785748853463 is a deficient number, since it is larger than the sum of its proper divisors (1).

78785748853463 is an equidigital number, since it uses as much as digits as its factorization.

78785748853463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30346444800, while the sum is 83.

The spelling of 78785748853463 in words is "seventy-eight trillion, seven hundred eighty-five billion, seven hundred forty-eight million, eight hundred fifty-three thousand, four hundred sixty-three".