802608689 has 2 divisors, whose sum is σ = 802608690. Its totient is φ = 802608688.

The previous prime is 802608673. The next prime is 802608739. The reversal of 802608689 is 986806208.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 738480625 + 64128064 = 27175^2 + 8008^2 .

It is a cyclic number.

It is not a de Polignac number, because 802608689 - 2⁴ = 802608673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (802608619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401304344 + 401304345.

It is an arithmetic number, because the mean of its divisors is an integer number (401304345).

Almost surely, 2^802608689 is an apocalyptic number.

It is an amenable number.

802608689 is a deficient number, since it is larger than the sum of its proper divisors (1).

802608689 is an equidigital number, since it uses as much as digits as its factorization.

802608689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 802608689 is about 28330.3492565835. The cubic root of 802608689 is about 929.3257104047.

The spelling of 802608689 in words is "eight hundred two million, six hundred eight thousand, six hundred eighty-nine".