9927601216 has 28 divisors (see below), whose sum is σ = 21215476492. Its totient is φ = 4581969408.

The previous prime is 9927601207. The next prime is 9927601217. The reversal of 9927601216 is 6121067299.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3831114816 + 6096486400 = 61896^2 + 78080^2 .

It is not an unprimeable number, because it can be changed into a prime (9927601217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5965275 + ... + 5966938.

It is an arithmetic number, because the mean of its divisors is an integer number (757695589).

Almost surely, 2^9927601216 is an apocalyptic number.

It is an amenable number.

9927601216 is an abundant number, since it is smaller than the sum of its proper divisors (11287875276).

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

9927601216 is a wasteful number, since it uses less digits than its factorization.

9927601216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11932238 (or 11932228 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 9927601216 is about 99637.3484994457. The cubic root of 9927601216 is about 2149.2228102048. Note that the first 3 decimals are identical.

The spelling of 9927601216 in words is "nine billion, nine hundred twenty-seven million, six hundred one thousand, two hundred sixteen".