9778474496 has 80 divisors (see below), whose sum is σ = 22785074400. Its totient is φ = 4190699520.

The previous prime is 9778474487. The next prime is 9778474499. The reversal of 9778474496 is 6944748779.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9778474499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147776 + ... + 203456.

It is an arithmetic number, because the mean of its divisors is an integer number (284813430).

Almost surely, 2^9778474496 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 9778474496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11392537200).

9778474496 is an abundant number, since it is smaller than the sum of its proper divisors (13006599904).

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

9778474496 is an frugal number, since it uses more digits than its factorization.

9778474496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55720 (or 55690 counting only the distinct ones).

The product of its digits is 85349376, while the sum is 65.

The square root of 9778474496 is about 98886.1693868258. The cubic root of 9778474496 is about 2138.4070085095.

The spelling of 9778474496 in words is "nine billion, seven hundred seventy-eight million, four hundred seventy-four thousand, four hundred ninety-six".