8813692661 has 2 divisors, whose sum is σ = 8813692662. Its totient is φ = 8813692660.

The previous prime is 8813692649. The next prime is 8813692669. The reversal of 8813692661 is 1662963188.

8813692661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8681580625 + 132112036 = 93175^2 + 11494^2 .

It is a cyclic number.

It is not a de Polignac number, because 8813692661 - 2⁶ = 8813692597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8813692669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4406846330 + 4406846331.

It is an arithmetic number, because the mean of its divisors is an integer number (4406846331).

Almost surely, 2^8813692661 is an apocalyptic number.

It is an amenable number.

8813692661 is a deficient number, since it is larger than the sum of its proper divisors (1).

8813692661 is an equidigital number, since it uses as much as digits as its factorization.

8813692661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 50.

The square root of 8813692661 is about 93881.2689571248. The cubic root of 8813692661 is about 2065.6304837086.

The spelling of 8813692661 in words is "eight billion, eight hundred thirteen million, six hundred ninety-two thousand, six hundred sixty-one".