9789376285 has 32 divisors (see below), whose sum is σ = 12957003360. Its totient is φ = 7056211968.

The previous prime is 9789376243. The next prime is 9789376291. The reversal of 9789376285 is 5826739879.

9789376285 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 16 ways, for example, as 3192363001 + 6597013284 = 56501^2 + 81222^2 .

It is not a de Polignac number, because 9789376285 - 2¹⁵ = 9789343517 is a prime.

It is a congruent number.

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, 449631 + ... + 470899.

It is an arithmetic number, because the mean of its divisors is an integer number (404906355).

Almost surely, 2^9789376285 is an apocalyptic number.

It is an amenable number.

9789376285 is a deficient number, since it is larger than the sum of its proper divisors (3167627075).

9789376285 is a wasteful number, since it uses less digits than its factorization.

9789376285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21457.

The product of its digits is 45722880, while the sum is 64.

The square root of 9789376285 is about 98941.2769525439. The cubic root of 9789376285 is about 2139.2013997638.

The spelling of 9789376285 in words is "nine billion, seven hundred eighty-nine million, three hundred seventy-six thousand, two hundred eighty-five".