9777003280 has 480 divisors, whose sum is σ = 28854403200. Its totient is φ = 3057500160.

The previous prime is 9777003251. The next prime is 9777003283. The reversal of 9777003280 is 823007779.

It is not an unprimeable number, because it can be changed into a prime (9777003283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 165711891 + ... + 165711949.

It is an arithmetic number, because the mean of its divisors is an integer number (60113340).

Almost surely, 2^9777003280 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 9777003280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14427201600).

9777003280 is an abundant number, since it is smaller than the sum of its proper divisors (19077399920).

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

9777003280 is a wasteful number, since it uses less digits than its factorization.

9777003280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 43.

The square root of 9777003280 is about 98878.7301698399. The cubic root of 9777003280 is about 2138.2997587744.

The spelling of 9777003280 in words is "nine billion, seven hundred seventy-seven million, three thousand, two hundred eighty".