7883224687889 has 2 divisors, whose sum is σ = 7883224687890. Its totient is φ = 7883224687888.

The previous prime is 7883224687853. The next prime is 7883224687901. The reversal of 7883224687889 is 9887864223887.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4957003903489 + 2926220784400 = 2226433^2 + 1710620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7883224687889 is a prime.

It is not a weakly prime, because it can be changed into another prime (7883224683889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3941612343944 + 3941612343945.

It is an arithmetic number, because the mean of its divisors is an integer number (3941612343945).

Almost surely, 2^{7883224687889} is an apocalyptic number.

It is an amenable number.

7883224687889 is a deficient number, since it is larger than the sum of its proper divisors (1).

7883224687889 is an equidigital number, since it uses as much as digits as its factorization.

7883224687889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4161798144, while the sum is 80.

The spelling of 7883224687889 in words is "seven trillion, eight hundred eighty-three billion, two hundred twenty-four million, six hundred eighty-seven thousand, eight hundred eighty-nine".