427000859 has 2 divisors, whose sum is σ = 427000860. Its totient is φ = 427000858.

The previous prime is 427000853. The next prime is 427000909. The reversal of 427000859 is 958000724.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 427000859 - 2²⁰ = 425952283 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (427000853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213500429 + 213500430.

It is an arithmetic number, because the mean of its divisors is an integer number (213500430).

Almost surely, 2^427000859 is an apocalyptic number.

427000859 is a deficient number, since it is larger than the sum of its proper divisors (1).

427000859 is an equidigital number, since it uses as much as digits as its factorization.

427000859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 427000859 is about 20663.9991047232. Note that the first 3 decimals coincide. The cubic root of 427000859 is about 753.0253262006.

The spelling of 427000859 in words is "four hundred twenty-seven million, eight hundred fifty-nine", and thus it is an aban number.