9778418496 has 840 divisors, whose sum is σ = 38848759488. Its totient is φ = 2372198400.

The previous prime is 9778418473. The next prime is 9778418509. The reversal of 9778418496 is 6948148779.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 74644351 + ... + 74644481.

Almost surely, 2^9778418496 is an apocalyptic number.

9778418496 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9778418496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19424379744).

9778418496 is an abundant number, since it is smaller than the sum of its proper divisors (29070340992).

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

9778418496 is a wasteful number, since it uses less digits than its factorization.

9778418496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 171 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 63.

The square root of 9778418496 is about 98885.8862325661. The cubic root of 9778418496 is about 2138.4029263792.

The spelling of 9778418496 in words is "nine billion, seven hundred seventy-eight million, four hundred eighteen thousand, four hundred ninety-six".