9927677646 has 96 divisors (see below), whose sum is σ = 23573991168. Its totient is φ = 3005890560.

The previous prime is 9927677621. The next prime is 9927677659. The reversal of 9927677646 is 6467767299.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4106230 + ... + 4108646.

It is an arithmetic number, because the mean of its divisors is an integer number (245562408).

Almost surely, 2^9927677646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9927677646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11786995584).

9927677646 is an abundant number, since it is smaller than the sum of its proper divisors (13646313522).

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

9927677646 is a wasteful number, since it uses less digits than its factorization.

9927677646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2906 (or 2903 counting only the distinct ones).

The product of its digits is 48009024, while the sum is 63.

The square root of 9927677646 is about 99637.7320396244. The cubic root of 9927677646 is about 2149.2283256250.

The spelling of 9927677646 in words is "nine billion, nine hundred twenty-seven million, six hundred seventy-seven thousand, six hundred forty-six".