78841669703 has 2 divisors, whose sum is σ = 78841669704. Its totient is φ = 78841669702.

The previous prime is 78841669661. The next prime is 78841669741. The reversal of 78841669703 is 30796614887.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78841669703 - 2²⁰ = 78840621127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78841669603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39420834851 + 39420834852.

It is an arithmetic number, because the mean of its divisors is an integer number (39420834852).

Almost surely, 2^78841669703 is an apocalyptic number.

78841669703 is a deficient number, since it is larger than the sum of its proper divisors (1).

78841669703 is an equidigital number, since it uses as much as digits as its factorization.

78841669703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12192768, while the sum is 59.

The spelling of 78841669703 in words is "seventy-eight billion, eight hundred forty-one million, six hundred sixty-nine thousand, seven hundred three".