8378563 has 8 divisors (see below), whose sum is σ = 8874000. Its totient is φ = 7888608.

The previous prime is 8378561. The next prime is 8378567. The reversal of 8378563 is 3658738.

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

It is a cyclic number.

It is not a de Polignac number, because 8378563 - 2¹ = 8378561 is a prime.

It is a super-3 number, since 3×8378563³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8378561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2013 + ... + 4561.

It is an arithmetic number, because the mean of its divisors is an integer number (1109250).

Almost surely, 2^8378563 is an apocalyptic number.

8378563 is a deficient number, since it is larger than the sum of its proper divisors (495437).

8378563 is a wasteful number, since it uses less digits than its factorization.

8378563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2741.

The product of its digits is 120960, while the sum is 40.

The square root of 8378563 is about 2894.5747528782. The cubic root of 8378563 is about 203.1061995381.

The spelling of 8378563 in words is "eight million, three hundred seventy-eight thousand, five hundred sixty-three".