9278781120 has 896 divisors, whose sum is σ = 39794688000. Its totient is φ = 2032128000.

The previous prime is 9278781103. The next prime is 9278781131. The reversal of 9278781120 is 211878729.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 91869070 + ... + 91869170.

Almost surely, 2^9278781120 is an apocalyptic number.

9278781120 is a gapful number since it is divisible by the number (90) 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 9278781120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19897344000).

9278781120 is an abundant number, since it is smaller than the sum of its proper divisors (30515906880).

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

9278781120 is a wasteful number, since it uses less digits than its factorization.

9278781120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 45.

The square root of 9278781120 is about 96326.4300179343. The cubic root of 9278781120 is about 2101.3431407563.

The spelling of 9278781120 in words is "nine billion, two hundred seventy-eight million, seven hundred eighty-one thousand, one hundred twenty".