9776915676 has 288 divisors, whose sum is σ = 28943523840. Its totient is φ = 2850059520.

The previous prime is 9776915669. The next prime is 9776915689. The reversal of 9776915676 is 6765196779.

9776915676 is a `hidden beast` number, since 9 + 7 + 7 + 69 + 1 + 567 + 6 = 666.

It is a super-2 number, since 2×9776915676² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 71364280 + ... + 71364416.

Almost surely, 2^9776915676 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9776915676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14471761920).

9776915676 is an abundant number, since it is smaller than the sum of its proper divisors (19166608164).

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

9776915676 is a wasteful number, since it uses less digits than its factorization.

9776915676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 323 counting only the distinct ones).

The product of its digits is 30005640, while the sum is 63.

The square root of 9776915676 is about 98878.2871817671. The cubic root of 9776915676 is about 2138.2933722172.

The spelling of 9776915676 in words is "nine billion, seven hundred seventy-six million, nine hundred fifteen thousand, six hundred seventy-six".