7983278309603 has 2 divisors, whose sum is σ = 7983278309604. Its totient is φ = 7983278309602.

The previous prime is 7983278309561. The next prime is 7983278309623. The reversal of 7983278309603 is 3069038723897.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7983278309603 - 2¹² = 7983278305507 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7983278309603.

It is not a weakly prime, because it can be changed into another prime (7983278309623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3991639154801 + 3991639154802.

It is an arithmetic number, because the mean of its divisors is an integer number (3991639154802).

Almost surely, 2^{7983278309603} is an apocalyptic number.

7983278309603 is a deficient number, since it is larger than the sum of its proper divisors (1).

7983278309603 is an equidigital number, since it uses as much as digits as its factorization.

7983278309603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82301184, while the sum is 65.

The spelling of 7983278309603 in words is "seven trillion, nine hundred eighty-three billion, two hundred seventy-eight million, three hundred nine thousand, six hundred three".