9885680611 has 2 divisors, whose sum is σ = 9885680612. Its totient is φ = 9885680610.

The previous prime is 9885680603. The next prime is 9885680653. The reversal of 9885680611 is 1160865889.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9885680611 - 2³ = 9885680603 is a prime.

It is a super-2 number, since 2×9885680611² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9885680111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4942840305 + 4942840306.

It is an arithmetic number, because the mean of its divisors is an integer number (4942840306).

Almost surely, 2^9885680611 is an apocalyptic number.

9885680611 is a deficient number, since it is larger than the sum of its proper divisors (1).

9885680611 is an equidigital number, since it uses as much as digits as its factorization.

9885680611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 52.

The square root of 9885680611 is about 99426.7600347110. The cubic root of 9885680611 is about 2146.1934166332.

The spelling of 9885680611 in words is "nine billion, eight hundred eighty-five million, six hundred eighty thousand, six hundred eleven".