889312847 has 2 divisors, whose sum is σ = 889312848. Its totient is φ = 889312846.

The previous prime is 889312817. The next prime is 889312849. The reversal of 889312847 is 748213988.

889312847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 889312847 - 2⁶ = 889312783 is a prime.

Together with 889312849, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 889312795 and 889312804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (889312849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444656423 + 444656424.

It is an arithmetic number, because the mean of its divisors is an integer number (444656424).

Almost surely, 2^889312847 is an apocalyptic number.

889312847 is a deficient number, since it is larger than the sum of its proper divisors (1).

889312847 is an equidigital number, since it uses as much as digits as its factorization.

889312847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 774144, while the sum is 50.

The square root of 889312847 is about 29821.3488460868. The cubic root of 889312847 is about 961.6525525927.

The spelling of 889312847 in words is "eight hundred eighty-nine million, three hundred twelve thousand, eight hundred forty-seven".