9968955598 has 32 divisors (see below), whose sum is σ = 17258250240. Its totient is φ = 4230334080.

The previous prime is 9968955589. The next prime is 9968955613. The reversal of 9968955598 is 8955598699.

It is a happy number.

It is a super-4 number, since 4×9968955598⁴ (a number of 41 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9968955598.

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, 1944883 + ... + 1950001.

It is an arithmetic number, because the mean of its divisors is an integer number (539320320).

Almost surely, 2^9968955598 is an apocalyptic number.

9968955598 is a deficient number, since it is larger than the sum of its proper divisors (7289294642).

9968955598 is a wasteful number, since it uses less digits than its factorization.

9968955598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6472.

The product of its digits is 314928000, while the sum is 73.

The square root of 9968955598 is about 99844.6573332795. The cubic root of 9968955598 is about 2152.2029411058.

The spelling of 9968955598 in words is "nine billion, nine hundred sixty-eight million, nine hundred fifty-five thousand, five hundred ninety-eight".