8783378953 has 2 divisors, whose sum is σ = 8783378954. Its totient is φ = 8783378952.

The previous prime is 8783378917. The next prime is 8783378987. The reversal of 8783378953 is 3598733878.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6487819209 + 2295559744 = 80547^2 + 47912^2 .

It is a cyclic number.

It is not a de Polignac number, because 8783378953 - 2⁹ = 8783378441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8783378891 and 8783378900.

It is not a weakly prime, because it can be changed into another prime (8783378353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4391689476 + 4391689477.

It is an arithmetic number, because the mean of its divisors is an integer number (4391689477).

Almost surely, 2^8783378953 is an apocalyptic number.

It is an amenable number.

8783378953 is a deficient number, since it is larger than the sum of its proper divisors (1).

8783378953 is an equidigital number, since it uses as much as digits as its factorization.

8783378953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30481920, while the sum is 61.

The square root of 8783378953 is about 93719.6828473080. The cubic root of 8783378953 is about 2063.2595953203.

The spelling of 8783378953 in words is "eight billion, seven hundred eighty-three million, three hundred seventy-eight thousand, nine hundred fifty-three".