859006427 has 2 divisors, whose sum is σ = 859006428. Its totient is φ = 859006426.

The previous prime is 859006367. The next prime is 859006433. The reversal of 859006427 is 724600958.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 859006427 - 2¹⁴ = 858990043 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (859006627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 429503213 + 429503214.

It is an arithmetic number, because the mean of its divisors is an integer number (429503214).

Almost surely, 2^859006427 is an apocalyptic number.

859006427 is a deficient number, since it is larger than the sum of its proper divisors (1).

859006427 is an equidigital number, since it uses as much as digits as its factorization.

859006427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 859006427 is about 29308.8114225057. The cubic root of 859006427 is about 950.6021766663.

The spelling of 859006427 in words is "eight hundred fifty-nine million, six thousand, four hundred twenty-seven".