9955598712 has 64 divisors (see below), whose sum is σ = 25144020000. Its totient is φ = 3284596224.

The previous prime is 9955598711. The next prime is 9955598713. The reversal of 9955598712 is 2178955599.

It is an interprime number because it is at equal distance from previous prime (9955598711) and next prime (9955598713).

It is a super-2 number, since 2×9955598712² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9955598711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3904414 + ... + 3906962.

Almost surely, 2^9955598712 is an apocalyptic number.

It is an amenable number.

9955598712 is an abundant number, since it is smaller than the sum of its proper divisors (15188421288).

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

9955598712 is a wasteful number, since it uses less digits than its factorization.

9955598712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4160 (or 4156 counting only the distinct ones).

The product of its digits is 10206000, while the sum is 60.

The square root of 9955598712 is about 99777.7465770800. The cubic root of 9955598712 is about 2151.2413031701.

The spelling of 9955598712 in words is "nine billion, nine hundred fifty-five million, five hundred ninety-eight thousand, seven hundred twelve".