7984197983 has 2 divisors, whose sum is σ = 7984197984. Its totient is φ = 7984197982.

The previous prime is 7984197967. The next prime is 7984197997. The reversal of 7984197983 is 3897914897.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7984197983 - 2⁴ = 7984197967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7984197953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3992098991 + 3992098992.

It is an arithmetic number, because the mean of its divisors is an integer number (3992098992).

Almost surely, 2^7984197983 is an apocalyptic number.

7984197983 is a deficient number, since it is larger than the sum of its proper divisors (1).

7984197983 is an equidigital number, since it uses as much as digits as its factorization.

7984197983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27433728, while the sum is 65.

The square root of 7984197983 is about 89354.3394749242. The cubic root of 7984197983 is about 1998.6822972704.

The spelling of 7984197983 in words is "seven billion, nine hundred eighty-four million, one hundred ninety-seven thousand, nine hundred eighty-three".