8708318953 has 2 divisors, whose sum is σ = 8708318954. Its totient is φ = 8708318952.

The previous prime is 8708318939. The next prime is 8708318981. The reversal of 8708318953 is 3598138078.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5051939929 + 3656379024 = 71077^2 + 60468^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8708318953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8708318953.

It is not a weakly prime, because it can be changed into another prime (8708318923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4354159476 + 4354159477.

It is an arithmetic number, because the mean of its divisors is an integer number (4354159477).

Almost surely, 2^8708318953 is an apocalyptic number.

It is an amenable number.

8708318953 is a deficient number, since it is larger than the sum of its proper divisors (1).

8708318953 is an equidigital number, since it uses as much as digits as its factorization.

8708318953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The square root of 8708318953 is about 93318.3741446453. The cubic root of 8708318953 is about 2057.3654504686.

The spelling of 8708318953 in words is "eight billion, seven hundred eight million, three hundred eighteen thousand, nine hundred fifty-three".