9775379 has 2 divisors, whose sum is σ = 9775380. Its totient is φ = 9775378.

The previous prime is 9775321. The next prime is 9775399. The reversal of 9775379 is 9735779.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9775379 - 2⁸ = 9775123 is a prime.

It is not a weakly prime, because it can be changed into another prime (9775399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4887689 + 4887690.

It is an arithmetic number, because the mean of its divisors is an integer number (4887690).

Almost surely, 2^9775379 is an apocalyptic number.

9775379 is a deficient number, since it is larger than the sum of its proper divisors (1).

9775379 is an equidigital number, since it uses as much as digits as its factorization.

9775379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 416745, while the sum is 47.

The square root of 9775379 is about 3126.5602504989. The cubic root of 9775379 is about 213.8181338375.

The spelling of 9775379 in words is "nine million, seven hundred seventy-five thousand, three hundred seventy-nine".