8782243 has 2 divisors, whose sum is σ = 8782244. Its totient is φ = 8782242.

The previous prime is 8782229. The next prime is 8782261. The reversal of 8782243 is 3422878.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8782243 - 2⁵ = 8782211 is a prime.

It is a super-2 number, since 2×8782243² = 154255584222098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8782199 and 8782208.

It is not a weakly prime, because it can be changed into another prime (8782643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4391121 + 4391122.

It is an arithmetic number, because the mean of its divisors is an integer number (4391122).

Almost surely, 2^8782243 is an apocalyptic number.

8782243 is a deficient number, since it is larger than the sum of its proper divisors (1).

8782243 is an equidigital number, since it uses as much as digits as its factorization.

8782243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21504, while the sum is 34.

The square root of 8782243 is about 2963.4849417535. The cubic root of 8782243 is about 206.3170644474.

It can be divided in two parts, 8782 and 243, that added together give a square (9025 = 95²).

The spelling of 8782243 in words is "eight million, seven hundred eighty-two thousand, two hundred forty-three".