9883290661 has 2 divisors, whose sum is σ = 9883290662. Its totient is φ = 9883290660.

The previous prime is 9883290617. The next prime is 9883290671. The reversal of 9883290661 is 1660923889.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9726890625 + 156400036 = 98625^2 + 12506^2 .

It is an emirp because it is prime and its reverse (1660923889) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9883290661 - 2⁹ = 9883290149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9883290599 and 9883290608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9883290671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4941645330 + 4941645331.

It is an arithmetic number, because the mean of its divisors is an integer number (4941645331).

Almost surely, 2^9883290661 is an apocalyptic number.

It is an amenable number.

9883290661 is a deficient number, since it is larger than the sum of its proper divisors (1).

9883290661 is an equidigital number, since it uses as much as digits as its factorization.

9883290661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 52.

The square root of 9883290661 is about 99414.7406625396. The cubic root of 9883290661 is about 2146.0204489991.

The spelling of 9883290661 in words is "nine billion, eight hundred eighty-three million, two hundred ninety thousand, six hundred sixty-one".