78060032909 has 2 divisors, whose sum is σ = 78060032910. Its totient is φ = 78060032908.

The previous prime is 78060032857. The next prime is 78060032923. The reversal of 78060032909 is 90923006087.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44656987684 + 33403045225 = 211322^2 + 182765^2 .

It is a cyclic number.

It is not a de Polignac number, because 78060032909 - 2⁸ = 78060032653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 78060032909.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78060532909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39030016454 + 39030016455.

It is an arithmetic number, because the mean of its divisors is an integer number (39030016455).

Almost surely, 2^78060032909 is an apocalyptic number.

It is an amenable number.

78060032909 is a deficient number, since it is larger than the sum of its proper divisors (1).

78060032909 is an equidigital number, since it uses as much as digits as its factorization.

78060032909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 78060032909 in words is "seventy-eight billion, sixty million, thirty-two thousand, nine hundred nine".