8772385 has 8 divisors (see below), whose sum is σ = 10544616. Its totient is φ = 7006080.

The previous prime is 8772371. The next prime is 8772419. The reversal of 8772385 is 5832778.

It can be written as a sum of positive squares in 4 ways, for example, as 58081 + 8714304 = 241^2 + 2952^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8772385 - 2¹³ = 8764193 is a prime.

It is a Duffinian number.

8772385 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3037 + ... + 5173.

It is an arithmetic number, because the mean of its divisors is an integer number (1318077).

Almost surely, 2^8772385 is an apocalyptic number.

It is an amenable number.

8772385 is a deficient number, since it is larger than the sum of its proper divisors (1772231).

8772385 is a wasteful number, since it uses less digits than its factorization.

8772385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2963.

The product of its digits is 94080, while the sum is 40.

The square root of 8772385 is about 2961.8212302568. The cubic root of 8772385 is about 206.2398391076.

The spelling of 8772385 in words is "eight million, seven hundred seventy-two thousand, three hundred eighty-five".