8778043 has 2 divisors, whose sum is σ = 8778044. Its totient is φ = 8778042.

The previous prime is 8778041. The next prime is 8778061. The reversal of 8778043 is 3408778.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8778043 - 2¹ = 8778041 is a prime.

Together with 8778041, it forms a pair of twin primes.

8778043 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8777993 and 8778011.

It is not a weakly prime, because it can be changed into another prime (8778041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4389021 + 4389022.

It is an arithmetic number, because the mean of its divisors is an integer number (4389022).

Almost surely, 2^8778043 is an apocalyptic number.

8778043 is a deficient number, since it is larger than the sum of its proper divisors (1).

8778043 is an equidigital number, since it uses as much as digits as its factorization.

8778043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 8778043 is about 2962.7762318474. The cubic root of 8778043 is about 206.2841696678.

The spelling of 8778043 in words is "eight million, seven hundred seventy-eight thousand, forty-three".