78096239813 has 2 divisors, whose sum is σ = 78096239814. Its totient is φ = 78096239812.

The previous prime is 78096239783. The next prime is 78096239839. The reversal of 78096239813 is 31893269087.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78096214849 + 24964 = 279457^2 + 158^2 .

It is a cyclic number.

It is not a de Polignac number, because 78096239813 - 2³⁰ = 77022497989 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78096239843) 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, 39048119906 + 39048119907.

It is an arithmetic number, because the mean of its divisors is an integer number (39048119907).

Almost surely, 2^78096239813 is an apocalyptic number.

It is an amenable number.

78096239813 is a deficient number, since it is larger than the sum of its proper divisors (1).

78096239813 is an equidigital number, since it uses as much as digits as its factorization.

78096239813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The spelling of 78096239813 in words is "seventy-eight billion, ninety-six million, two hundred thirty-nine thousand, eight hundred thirteen".