8782919 has 2 divisors, whose sum is σ = 8782920. Its totient is φ = 8782918.

The previous prime is 8782909. The next prime is 8782927. The reversal of 8782919 is 9192878.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8782919 is a prime.

It is a super-2 number, since 2×8782919² = 154279332321122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8782919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8782909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4391459 + 4391460.

It is an arithmetic number, because the mean of its divisors is an integer number (4391460).

Almost surely, 2^8782919 is an apocalyptic number.

8782919 is a deficient number, since it is larger than the sum of its proper divisors (1).

8782919 is an equidigital number, since it uses as much as digits as its factorization.

8782919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 44.

The square root of 8782919 is about 2963.5989944660. The cubic root of 8782919 is about 206.3223579606.

The spelling of 8782919 in words is "eight million, seven hundred eighty-two thousand, nine hundred nineteen".