9978883 has 2 divisors, whose sum is σ = 9978884. Its totient is φ = 9978882.

The previous prime is 9978877. The next prime is 9978887. The reversal of 9978883 is 3888799.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9978883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9978883.

It is not a weakly prime, because it can be changed into another prime (9978887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4989441 + 4989442.

It is an arithmetic number, because the mean of its divisors is an integer number (4989442).

Almost surely, 2^9978883 is an apocalyptic number.

9978883 is a deficient number, since it is larger than the sum of its proper divisors (1).

9978883 is an equidigital number, since it uses as much as digits as its factorization.

9978883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 52.

The square root of 9978883 is about 3158.9370047533. The cubic root of 9978883 is about 215.2917114731.

The spelling of 9978883 in words is "nine million, nine hundred seventy-eight thousand, eight hundred eighty-three".