7985584379 has 2 divisors, whose sum is σ = 7985584380. Its totient is φ = 7985584378.

The previous prime is 7985584367. The next prime is 7985584417. The reversal of 7985584379 is 9734855897.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7985584379 is a prime.

It is not a weakly prime, because it can be changed into another prime (7985584339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3992792189 + 3992792190.

It is an arithmetic number, because the mean of its divisors is an integer number (3992792190).

Almost surely, 2^7985584379 is an apocalyptic number.

7985584379 is a deficient number, since it is larger than the sum of its proper divisors (1).

7985584379 is an equidigital number, since it uses as much as digits as its factorization.

7985584379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 76204800, while the sum is 65.

The square root of 7985584379 is about 89362.0969930764. The cubic root of 7985584379 is about 1998.7979759638.

The spelling of 7985584379 in words is "seven billion, nine hundred eighty-five million, five hundred eighty-four thousand, three hundred seventy-nine".