8752317989 has 2 divisors, whose sum is σ = 8752317990. Its totient is φ = 8752317988.

The previous prime is 8752317971. The next prime is 8752318013. The reversal of 8752317989 is 9897132578.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5999741764 + 2752576225 = 77458^2 + 52465^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8752317989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8752317919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4376158994 + 4376158995.

It is an arithmetic number, because the mean of its divisors is an integer number (4376158995).

Almost surely, 2^8752317989 is an apocalyptic number.

It is an amenable number.

8752317989 is a deficient number, since it is larger than the sum of its proper divisors (1).

8752317989 is an equidigital number, since it uses as much as digits as its factorization.

8752317989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7620480, while the sum is 59.

The square root of 8752317989 is about 93553.8240212553. The cubic root of 8752317989 is about 2060.8245975335.

The spelling of 8752317989 in words is "eight billion, seven hundred fifty-two million, three hundred seventeen thousand, nine hundred eighty-nine".