9776009583640 has 32 divisors (see below), whose sum is σ = 21998285170560. Its totient is φ = 3910001414400.

The previous prime is 9776009583631. The next prime is 9776009583647. The reversal of 9776009583640 is 463859006779.

It is a happy number.

It is a super-2 number, since 2×9776009583640² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9776009583647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12181896 + ... + 12959575.

It is an arithmetic number, because the mean of its divisors is an integer number (687446411580).

Almost surely, 2^{9776009583640} is an apocalyptic number.

It is an amenable number.

9776009583640 is an abundant number, since it is smaller than the sum of its proper divisors (12222275586920).

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

9776009583640 is a wasteful number, since it uses less digits than its factorization.

9776009583640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25151203 (or 25151199 counting only the distinct ones).

The product of its (nonzero) digits is 68584320, while the sum is 64.

The spelling of 9776009583640 in words is "nine trillion, seven hundred seventy-six billion, nine million, five hundred eighty-three thousand, six hundred forty".