8782213 has 4 divisors (see below), whose sum is σ = 9580608. Its totient is φ = 7983820.

The previous prime is 8782211. The next prime is 8782229. The reversal of 8782213 is 3122878.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8782213 - 2¹ = 8782211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8782211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399181 + ... + 399202.

It is an arithmetic number, because the mean of its divisors is an integer number (2395152).

Almost surely, 2^8782213 is an apocalyptic number.

It is an amenable number.

8782213 is a deficient number, since it is larger than the sum of its proper divisors (798395).

8782213 is a wasteful number, since it uses less digits than its factorization.

8782213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798394.

The product of its digits is 5376, while the sum is 31.

The square root of 8782213 is about 2963.4798801409. The cubic root of 8782213 is about 206.3168295219.

The spelling of 8782213 in words is "eight million, seven hundred eighty-two thousand, two hundred thirteen".