9696969696 has 96 divisors (see below), whose sum is σ = 26174486016. Its totient is φ = 3141504000.

The previous prime is 9696969661. The next prime is 9696969707. The reversal of 9696969696 is 6969696969.

It is a tau number, because it is divible by the number of its divisors (96).

It is an alternating number because its digits alternate between odd and even.

9696969696 is a strobogrammatic number because it is the same when read upside-down.

9696969696 is an undulating number in base 10.

9696969696 is a modest number, since divided by 969696 gives 9696 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1062111 + ... + 1071201.

It is an arithmetic number, because the mean of its divisors is an integer number (272650896).

Almost surely, 2^9696969696 is an apocalyptic number.

9696969696 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9696969696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13087243008).

9696969696 is an abundant number, since it is smaller than the sum of its proper divisors (16477516320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9696969696 is a wasteful number, since it uses less digits than its factorization.

9696969696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9416 (or 9408 counting only the distinct ones).

The product of its digits is 459165024, while the sum is 75.

The square root of 9696969696 is about 98473.1927785425. The cubic root of 9696969696 is about 2132.4491284518.

The spelling of 9696969696 in words is "nine billion, six hundred ninety-six million, nine hundred sixty-nine thousand, six hundred ninety-six".