8028078971069 has 2 divisors, whose sum is σ = 8028078971070. Its totient is φ = 8028078971068.

The previous prime is 8028078971053. The next prime is 8028078971071. The reversal of 8028078971069 is 9601798708208.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4424346248569 + 3603732722500 = 2103413^2 + 1898350^2 .

It is a cyclic number.

It is not a de Polignac number, because 8028078971069 - 2⁴ = 8028078971053 is a prime.

It is a super-2 number, since 2×8028078971069² (a number of 27 digits) contains 22 as substring.

Together with 8028078971071, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 8028078970996 and 8028078971014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8028078971089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4014039485534 + 4014039485535.

It is an arithmetic number, because the mean of its divisors is an integer number (4014039485535).

Almost surely, 2^{8028078971069} is an apocalyptic number.

It is an amenable number.

8028078971069 is a deficient number, since it is larger than the sum of its proper divisors (1).

8028078971069 is an equidigital number, since it uses as much as digits as its factorization.

8028078971069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24385536, while the sum is 65.

The spelling of 8028078971069 in words is "eight trillion, twenty-eight billion, seventy-eight million, nine hundred seventy-one thousand, sixty-nine".