9283778347920 has 160 divisors (see below), whose sum is σ = 29315947659264. Its totient is φ = 2429859264000.

The previous prime is 9283778347873. The next prime is 9283778347933. The reversal of 9283778347920 is 297438773829.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2578345 + ... + 5021495.

Almost surely, 2^{9283778347920} 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 9283778347920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14657973829632).

9283778347920 is an abundant number, since it is smaller than the sum of its proper divisors (20032169311344).

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

9283778347920 is a wasteful number, since it uses less digits than its factorization.

9283778347920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2443461 (or 2443455 counting only the distinct ones).

The product of its (nonzero) digits is 256048128, while the sum is 69.

The spelling of 9283778347920 in words is "nine trillion, two hundred eighty-three billion, seven hundred seventy-eight million, three hundred forty-seven thousand, nine hundred twenty".