7993689983 has 2 divisors, whose sum is σ = 7993689984. Its totient is φ = 7993689982.

The previous prime is 7993689959. The next prime is 7993690027. The reversal of 7993689983 is 3899863997.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7993689983 - 2⁶ = 7993689919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7993689943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3996844991 + 3996844992.

It is an arithmetic number, because the mean of its divisors is an integer number (3996844992).

Almost surely, 2^7993689983 is an apocalyptic number.

7993689983 is a deficient number, since it is larger than the sum of its proper divisors (1).

7993689983 is an equidigital number, since it uses as much as digits as its factorization.

7993689983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158723712, while the sum is 71.

The square root of 7993689983 is about 89407.4380742453. The cubic root of 7993689983 is about 1999.4740269383.

The spelling of 7993689983 in words is "seven billion, nine hundred ninety-three million, six hundred eighty-nine thousand, nine hundred eighty-three".