9965789883 has 240 divisors, whose sum is σ = 19575628800. Its totient is φ = 5040947520.

The previous prime is 9965789879. The next prime is 9965789909. The reversal of 9965789883 is 3889875699.

It is not a de Polignac number, because 9965789883 - 2² = 9965789879 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9965789803) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 321477078 + ... + 321477108.

It is an arithmetic number, because the mean of its divisors is an integer number (81565120).

Almost surely, 2^9965789883 is an apocalyptic number.

9965789883 is a gapful number since it is divisible by the number (93) formed by its first and last digit.

9965789883 is a deficient number, since it is larger than the sum of its proper divisors (9609838917).

9965789883 is an equidigital number, since it uses as much as digits as its factorization.

9965789883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 89 counting only the distinct ones).

The product of its digits is 235146240, while the sum is 72.

The square root of 9965789883 is about 99828.8028727181. The cubic root of 9965789883 is about 2151.9751010412.

The spelling of 9965789883 in words is "nine billion, nine hundred sixty-five million, seven hundred eighty-nine thousand, eight hundred eighty-three".