9659288881 has 16 divisors (see below), whose sum is σ = 10618449408. Its totient is φ = 8713785600.

The previous prime is 9659288879. The next prime is 9659288887. The reversal of 9659288881 is 1888829569.

9659288881 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9659288881 - 2¹ = 9659288879 is a prime.

It is a super-2 number, since 2×9659288881² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9659288887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1487161 + ... + 1493641.

It is an arithmetic number, because the mean of its divisors is an integer number (663653088).

Almost surely, 2^9659288881 is an apocalyptic number.

It is an amenable number.

9659288881 is a deficient number, since it is larger than the sum of its proper divisors (959160527).

9659288881 is a wasteful number, since it uses less digits than its factorization.

9659288881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7512.

The product of its digits is 19906560, while the sum is 64.

The square root of 9659288881 is about 98281.6813093875. The cubic root of 9659288881 is about 2129.6834285262.

The spelling of 9659288881 in words is "nine billion, six hundred fifty-nine million, two hundred eighty-eight thousand, eight hundred eighty-one".