8881819 has 2 divisors, whose sum is σ = 8881820. Its totient is φ = 8881818.

The previous prime is 8881811. The next prime is 8881853. The reversal of 8881819 is 9181888.

8881819 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8881819 - 2³ = 8881811 is a prime.

It is a super-2 number, since 2×8881819² = 157773417497522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8881811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4440909 + 4440910.

It is an arithmetic number, because the mean of its divisors is an integer number (4440910).

Almost surely, 2^8881819 is an apocalyptic number.

8881819 is a deficient number, since it is larger than the sum of its proper divisors (1).

8881819 is an equidigital number, since it uses as much as digits as its factorization.

8881819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864, while the sum is 43.

The square root of 8881819 is about 2980.2380777381. The cubic root of 8881819 is about 207.0938996921.

The spelling of 8881819 in words is "eight million, eight hundred eighty-one thousand, eight hundred nineteen".