9778756454304 has 96 divisors (see below), whose sum is σ = 25710969896640. Its totient is φ = 3254288750592.

The previous prime is 9778756454263. The next prime is 9778756454347. The reversal of 9778756454304 is 4034546578779.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241675227 + ... + 241715685.

It is an arithmetic number, because the mean of its divisors is an integer number (267822603090).

Almost surely, 2^{9778756454304} is an apocalyptic number.

It is an amenable number.

9778756454304 is an abundant number, since it is smaller than the sum of its proper divisors (15932213442336).

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

9778756454304 is a wasteful number, since it uses less digits than its factorization.

9778756454304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44502 (or 44494 counting only the distinct ones).

The product of its (nonzero) digits is 711244800, while the sum is 69.

The spelling of 9778756454304 in words is "nine trillion, seven hundred seventy-eight billion, seven hundred fifty-six million, four hundred fifty-four thousand, three hundred four".