8214070789 has 2 divisors, whose sum is σ = 8214070790. Its totient is φ = 8214070788.

The previous prime is 8214070759. The next prime is 8214070807. The reversal of 8214070789 is 9870704128.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7741008289 + 473062500 = 87983^2 + 21750^2 .

It is a cyclic number.

It is not a de Polignac number, because 8214070789 - 2¹¹ = 8214068741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8214070729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4107035394 + 4107035395.

It is an arithmetic number, because the mean of its divisors is an integer number (4107035395).

Almost surely, 2^8214070789 is an apocalyptic number.

It is an amenable number.

8214070789 is a deficient number, since it is larger than the sum of its proper divisors (1).

8214070789 is an equidigital number, since it uses as much as digits as its factorization.

8214070789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 46.

The square root of 8214070789 is about 90631.5110157610. The cubic root of 8214070789 is about 2017.6824373920.

The spelling of 8214070789 in words is "eight billion, two hundred fourteen million, seventy thousand, seven hundred eighty-nine".