8425750789 has 2 divisors, whose sum is σ = 8425750790. Its totient is φ = 8425750788.

The previous prime is 8425750733. The next prime is 8425750829. The reversal of 8425750789 is 9870575248.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7377092100 + 1048658689 = 85890^2 + 32383^2 .

It is a cyclic number.

It is not a de Polignac number, because 8425750789 - 2¹¹ = 8425748741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8425750589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4212875394 + 4212875395.

It is an arithmetic number, because the mean of its divisors is an integer number (4212875395).

Almost surely, 2^8425750789 is an apocalyptic number.

It is an amenable number.

8425750789 is a deficient number, since it is larger than the sum of its proper divisors (1).

8425750789 is an equidigital number, since it uses as much as digits as its factorization.

8425750789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5644800, while the sum is 55.

The square root of 8425750789 is about 91791.8884706051. Note that the first 3 decimals coincide. The cubic root of 8425750789 is about 2034.8678174803.

The spelling of 8425750789 in words is "eight billion, four hundred twenty-five million, seven hundred fifty thousand, seven hundred eighty-nine".