868206029 has 2 divisors, whose sum is σ = 868206030. Its totient is φ = 868206028.

The previous prime is 868206013. The next prime is 868206067. The reversal of 868206029 is 920602868.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 677821225 + 190384804 = 26035^2 + 13798^2 .

It is a cyclic number.

It is not a de Polignac number, because 868206029 - 2⁴ = 868206013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (868200029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434103014 + 434103015.

It is an arithmetic number, because the mean of its divisors is an integer number (434103015).

Almost surely, 2^868206029 is an apocalyptic number.

It is an amenable number.

868206029 is a deficient number, since it is larger than the sum of its proper divisors (1).

868206029 is an equidigital number, since it uses as much as digits as its factorization.

868206029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 868206029 is about 29465.3360578155. The cubic root of 868206029 is about 953.9836519869.

The spelling of 868206029 in words is "eight hundred sixty-eight million, two hundred six thousand, twenty-nine".