78071453263 has 2 divisors, whose sum is σ = 78071453264. Its totient is φ = 78071453262.

The previous prime is 78071453261. The next prime is 78071453309. The reversal of 78071453263 is 36235417087.

It is a happy number.

It is an a-pointer prime, because the next prime (78071453309) can be obtained adding 78071453263 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78071453263 - 2¹ = 78071453261 is a prime.

Together with 78071453261, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78071453261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39035726631 + 39035726632.

It is an arithmetic number, because the mean of its divisors is an integer number (39035726632).

Almost surely, 2^78071453263 is an apocalyptic number.

78071453263 is a deficient number, since it is larger than the sum of its proper divisors (1).

78071453263 is an equidigital number, since it uses as much as digits as its factorization.

78071453263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 78071453263 in words is "seventy-eight billion, seventy-one million, four hundred fifty-three thousand, two hundred sixty-three".