9776767680 has 672 divisors, whose sum is σ = 37587326400. Its totient is φ = 2322432000.

The previous prime is 9776767667. The next prime is 9776767691. The reversal of 9776767680 is 867676779.

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, 96799630 + ... + 96799730.

Almost surely, 2^9776767680 is an apocalyptic number.

9776767680 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9776767680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18793663200).

9776767680 is an abundant number, since it is smaller than the sum of its proper divisors (27810558720).

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

9776767680 is a wasteful number, since it uses less digits than its factorization.

9776767680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 37340352, while the sum is 63.

The square root of 9776767680 is about 98877.5388043210. The cubic root of 9776767680 is about 2138.2825828410.

The spelling of 9776767680 in words is "nine billion, seven hundred seventy-six million, seven hundred sixty-seven thousand, six hundred eighty".