9889875379 has 2 divisors, whose sum is σ = 9889875380. Its totient is φ = 9889875378.

The previous prime is 9889875329. The next prime is 9889875389. The reversal of 9889875379 is 9735789889.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9889875379 - 2¹⁷ = 9889744307 is a prime.

It is not a weakly prime, because it can be changed into another prime (9889875319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4944937689 + 4944937690.

It is an arithmetic number, because the mean of its divisors is an integer number (4944937690).

Almost surely, 2^9889875379 is an apocalyptic number.

9889875379 is a deficient number, since it is larger than the sum of its proper divisors (1).

9889875379 is an equidigital number, since it uses as much as digits as its factorization.

9889875379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 274337280, while the sum is 73.

The square root of 9889875379 is about 99447.8525610282. The cubic root of 9889875379 is about 2146.4969368036.

The spelling of 9889875379 in words is "nine billion, eight hundred eighty-nine million, eight hundred seventy-five thousand, three hundred seventy-nine".