9778801163 has 2 divisors, whose sum is σ = 9778801164. Its totient is φ = 9778801162.

The previous prime is 9778801157. The next prime is 9778801181. The reversal of 9778801163 is 3611088779.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9778801163 - 2⁶ = 9778801099 is a prime.

It is not a weakly prime, because it can be changed into another prime (9778801133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4889400581 + 4889400582.

It is an arithmetic number, because the mean of its divisors is an integer number (4889400582).

Almost surely, 2^9778801163 is an apocalyptic number.

9778801163 is a deficient number, since it is larger than the sum of its proper divisors (1).

9778801163 is an equidigital number, since it uses as much as digits as its factorization.

9778801163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 50.

The square root of 9778801163 is about 98887.8211055335. The cubic root of 9778801163 is about 2138.4308206499.

The spelling of 9778801163 in words is "nine billion, seven hundred seventy-eight million, eight hundred one thousand, one hundred sixty-three".