881614889 has 2 divisors, whose sum is σ = 881614890. Its totient is φ = 881614888.

The previous prime is 881614847. The next prime is 881614907. The reversal of 881614889 is 988416188.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 881614864 + 25 = 29692^2 + 5^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-881614889 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 881614889.

It is not a weakly prime, because it can be changed into another prime (881610889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440807444 + 440807445.

It is an arithmetic number, because the mean of its divisors is an integer number (440807445).

Almost surely, 2^881614889 is an apocalyptic number.

It is an amenable number.

881614889 is a deficient number, since it is larger than the sum of its proper divisors (1).

881614889 is an equidigital number, since it uses as much as digits as its factorization.

881614889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 884736, while the sum is 53.

The square root of 881614889 is about 29692.0004209888. Note that the first 3 decimals coincide. The cubic root of 881614889 is about 958.8697958778.

The spelling of 881614889 in words is "eight hundred eighty-one million, six hundred fourteen thousand, eight hundred eighty-nine".