8752228981 has 2 divisors, whose sum is σ = 8752228982. Its totient is φ = 8752228980.

The previous prime is 8752228967. The next prime is 8752228993. The reversal of 8752228981 is 1898222578.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8562726225 + 189502756 = 92535^2 + 13766^2 .

It is a cyclic number.

It is not a de Polignac number, because 8752228981 - 2¹¹ = 8752226933 is a prime.

It is a super-2 number, since 2×8752228981² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8752228921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4376114490 + 4376114491.

It is an arithmetic number, because the mean of its divisors is an integer number (4376114491).

Almost surely, 2^8752228981 is an apocalyptic number.

It is an amenable number.

8752228981 is a deficient number, since it is larger than the sum of its proper divisors (1).

8752228981 is an equidigital number, since it uses as much as digits as its factorization.

8752228981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1290240, while the sum is 52.

The square root of 8752228981 is about 93553.3483152794. The cubic root of 8752228981 is about 2060.8176115557.

The spelling of 8752228981 in words is "eight billion, seven hundred fifty-two million, two hundred twenty-eight thousand, nine hundred eighty-one".