9776194938432 has 840 divisors, whose sum is σ = 33438439067616. Its totient is φ = 2813047750656.

The previous prime is 9776194938361. The next prime is 9776194938437. The reversal of 9776194938432 is 2348394916779.

It is a happy number.

9776194938432 is a `hidden beast` number, since 9 + 7 + 76 + 1 + 94 + 9 + 38 + 432 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (9776194938437) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2427660003 + ... + 2427664029.

Almost surely, 2^{9776194938432} 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 9776194938432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16719219533808).

9776194938432 is an abundant number, since it is smaller than the sum of its proper divisors (23662244129184).

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

9776194938432 is a wasteful number, since it uses less digits than its factorization.

9776194938432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4257 (or 4225 counting only the distinct ones).

The product of its digits is 493807104, while the sum is 72.

The spelling of 9776194938432 in words is "nine trillion, seven hundred seventy-six billion, one hundred ninety-four million, nine hundred thirty-eight thousand, four hundred thirty-two".