78533386079 has 2 divisors, whose sum is σ = 78533386080. Its totient is φ = 78533386078.

The previous prime is 78533386067. The next prime is 78533386093. The reversal of 78533386079 is 97068333587.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78533386079 - 2¹⁶ = 78533320543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78533386879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39266693039 + 39266693040.

It is an arithmetic number, because the mean of its divisors is an integer number (39266693040).

Almost surely, 2^78533386079 is an apocalyptic number.

78533386079 is a deficient number, since it is larger than the sum of its proper divisors (1).

78533386079 is an equidigital number, since it uses as much as digits as its factorization.

78533386079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22861440, while the sum is 59.

The spelling of 78533386079 in words is "seventy-eight billion, five hundred thirty-three million, three hundred eighty-six thousand, seventy-nine".