858426029 has 2 divisors, whose sum is σ = 858426030. Its totient is φ = 858426028.

The previous prime is 858425989. The next prime is 858426103. The reversal of 858426029 is 920624858.

858426029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 850597225 + 7828804 = 29165^2 + 2798^2 .

It is a cyclic number.

It is not a de Polignac number, because 858426029 - 2²⁰ = 857377453 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (858426629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 429213014 + 429213015.

It is an arithmetic number, because the mean of its divisors is an integer number (429213015).

Almost surely, 2^858426029 is an apocalyptic number.

It is an amenable number.

858426029 is a deficient number, since it is larger than the sum of its proper divisors (1).

858426029 is an equidigital number, since it uses as much as digits as its factorization.

858426029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 858426029 is about 29298.9083243728. The cubic root of 858426029 is about 950.3880331737.

The spelling of 858426029 in words is "eight hundred fifty-eight million, four hundred twenty-six thousand, twenty-nine".