9876765653 has 2 divisors, whose sum is σ = 9876765654. Its totient is φ = 9876765652.

The previous prime is 9876765637. The next prime is 9876765709. The reversal of 9876765653 is 3565676789.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9845203729 + 31561924 = 99223^2 + 5618^2 .

It is a cyclic number.

It is not a de Polignac number, because 9876765653 - 2⁴ = 9876765637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9876765853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4938382826 + 4938382827.

It is an arithmetic number, because the mean of its divisors is an integer number (4938382827).

Almost surely, 2^9876765653 is an apocalyptic number.

It is an amenable number.

9876765653 is a deficient number, since it is larger than the sum of its proper divisors (1).

9876765653 is an equidigital number, since it uses as much as digits as its factorization.

9876765653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57153600, while the sum is 62.

The square root of 9876765653 is about 99381.9181390659. The cubic root of 9876765653 is about 2145.5480731549.

The spelling of 9876765653 in words is "nine billion, eight hundred seventy-six million, seven hundred sixty-five thousand, six hundred fifty-three".