8783378353 has 2 divisors, whose sum is σ = 8783378354. Its totient is φ = 8783378352.

The previous prime is 8783378347. The next prime is 8783378363. The reversal of 8783378353 is 3538733878.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8750292849 + 33085504 = 93543^2 + 5752^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8783378353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8783378294 and 8783378303.

It is not a weakly prime, because it can be changed into another prime (8783378363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4391689176 + 4391689177.

It is an arithmetic number, because the mean of its divisors is an integer number (4391689177).

Almost surely, 2^8783378353 is an apocalyptic number.

It is an amenable number.

8783378353 is a deficient number, since it is larger than the sum of its proper divisors (1).

8783378353 is an equidigital number, since it uses as much as digits as its factorization.

8783378353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10160640, while the sum is 55.

The square root of 8783378353 is about 93719.6796462728. The cubic root of 8783378353 is about 2063.2595483393.

The spelling of 8783378353 in words is "eight billion, seven hundred eighty-three million, three hundred seventy-eight thousand, three hundred fifty-three".