9378979 has 2 divisors, whose sum is σ = 9378980. Its totient is φ = 9378978.

The previous prime is 9378953. The next prime is 9378983. The reversal of 9378979 is 9798739.

9378979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9378979 - 2⁷ = 9378851 is a prime.

It is not a weakly prime, because it can be changed into another prime (9378379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4689489 + 4689490.

It is an arithmetic number, because the mean of its divisors is an integer number (4689490).

Almost surely, 2^9378979 is an apocalyptic number.

9378979 is a deficient number, since it is larger than the sum of its proper divisors (1).

9378979 is an equidigital number, since it uses as much as digits as its factorization.

9378979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 857304, while the sum is 52.

The square root of 9378979 is about 3062.5118775280. The cubic root of 9378979 is about 210.8879933823.

The spelling of 9378979 in words is "nine million, three hundred seventy-eight thousand, nine hundred seventy-nine".