78236063263 has 2 divisors, whose sum is σ = 78236063264. Its totient is φ = 78236063262.

The previous prime is 78236063219. The next prime is 78236063291. The reversal of 78236063263 is 36236063287.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78236063263 is a prime.

It is a super-2 number, since 2×78236063263² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78236063063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39118031631 + 39118031632.

It is an arithmetic number, because the mean of its divisors is an integer number (39118031632).

Almost surely, 2^78236063263 is an apocalyptic number.

78236063263 is a deficient number, since it is larger than the sum of its proper divisors (1).

78236063263 is an equidigital number, since it uses as much as digits as its factorization.

78236063263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 46.

The spelling of 78236063263 in words is "seventy-eight billion, two hundred thirty-six million, sixty-three thousand, two hundred sixty-three".