9479778 has 96 divisors (see below), whose sum is σ = 25463808. Its totient is φ = 2284800.

The previous prime is 9479753. The next prime is 9479783. The reversal of 9479778 is 8779749.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9479778.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 133483 + ... + 133553.

It is an arithmetic number, because the mean of its divisors is an integer number (265248).

Almost surely, 2^9479778 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9479778, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12731904).

9479778 is an abundant number, since it is smaller than the sum of its proper divisors (15984030).

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

9479778 is a wasteful number, since it uses less digits than its factorization.

9479778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 111 counting only the distinct ones).

The product of its digits is 889056, while the sum is 51.

The square root of 9479778 is about 3078.9248123330. The cubic root of 9479778 is about 211.6407973289.

The spelling of 9479778 in words is "nine million, four hundred seventy-nine thousand, seven hundred seventy-eight".