7985030873 has 2 divisors, whose sum is σ = 7985030874. Its totient is φ = 7985030872.

The previous prime is 7985030821. The next prime is 7985030929. The reversal of 7985030873 is 3780305897.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7941839689 + 43191184 = 89117^2 + 6572^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7985030873 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (7985035873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3992515436 + 3992515437.

It is an arithmetic number, because the mean of its divisors is an integer number (3992515437).

Almost surely, 2^7985030873 is an apocalyptic number.

It is an amenable number.

7985030873 is a deficient number, since it is larger than the sum of its proper divisors (1).

7985030873 is an equidigital number, since it uses as much as digits as its factorization.

7985030873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The square root of 7985030873 is about 89358.9999552367. Note that the first 4 decimals coincide. The cubic root of 7985030873 is about 1998.7517939028.

The spelling of 7985030873 in words is "seven billion, nine hundred eighty-five million, thirty thousand, eight hundred seventy-three".