9777135403904 has 64 divisors (see below), whose sum is σ = 22172456350080. Its totient is φ = 4250928422400.

The previous prime is 9777135403877. The next prime is 9777135403913. The reversal of 9777135403904 is 4093045317779.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 150923882 + ... + 150988649.

It is an arithmetic number, because the mean of its divisors is an integer number (346444630470).

Almost surely, 2^{9777135403904} is an apocalyptic number.

It is an amenable number.

9777135403904 is an abundant number, since it is smaller than the sum of its proper divisors (12395320946176).

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

9777135403904 is a wasteful number, since it uses less digits than its factorization.

9777135403904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301912579 (or 301912567 counting only the distinct ones).

The product of its (nonzero) digits is 20003760, while the sum is 59.

The spelling of 9777135403904 in words is "nine trillion, seven hundred seventy-seven billion, one hundred thirty-five million, four hundred three thousand, nine hundred four".