9997885196 has 36 divisors (see below), whose sum is σ = 19942864200. Its totient is φ = 4371539328.

The previous prime is 9997885193. The next prime is 9997885199. The reversal of 9997885196 is 6915887999.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9997885193) and next prime (9997885199).

It is not an unprimeable number, because it can be changed into a prime (9997885193) 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 11 ways as a sum of consecutive naturals, for example, 376361 + ... + 402048.

It is an arithmetic number, because the mean of its divisors is an integer number (553968450).

Almost surely, 2^9997885196 is an apocalyptic number.

It is an amenable number.

9997885196 is a deficient number, since it is larger than the sum of its proper divisors (9944979004).

9997885196 is a wasteful number, since it uses less digits than its factorization.

9997885196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778458 (or 778443 counting only the distinct ones).

The product of its digits is 88179840, while the sum is 71.

The square root of 9997885196 is about 99989.4254208914. The cubic root of 9997885196 is about 2154.2828057545.

The spelling of 9997885196 in words is "nine billion, nine hundred ninety-seven million, eight hundred eighty-five thousand, one hundred ninety-six".