806614889 has 2 divisors, whose sum is σ = 806614890. Its totient is φ = 806614888.

The previous prime is 806614877. The next prime is 806614909. The reversal of 806614889 is 988416608.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 618019600 + 188595289 = 24860^2 + 13733^2 .

It is a cyclic number.

It is not a de Polignac number, because 806614889 - 2⁴ = 806614873 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (806614829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403307444 + 403307445.

It is an arithmetic number, because the mean of its divisors is an integer number (403307445).

Almost surely, 2^806614889 is an apocalyptic number.

It is an amenable number.

806614889 is a deficient number, since it is larger than the sum of its proper divisors (1).

806614889 is an equidigital number, since it uses as much as digits as its factorization.

806614889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 663552, while the sum is 50.

The square root of 806614889 is about 28400.9663391935. The cubic root of 806614889 is about 930.8693797364.

The spelling of 806614889 in words is "eight hundred six million, six hundred fourteen thousand, eight hundred eighty-nine".