850452859 has 2 divisors, whose sum is σ = 850452860. Its totient is φ = 850452858.

The previous prime is 850452851. The next prime is 850452877. The reversal of 850452859 is 958254058.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 850452859 - 2³ = 850452851 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (850452851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425226429 + 425226430.

It is an arithmetic number, because the mean of its divisors is an integer number (425226430).

Almost surely, 2^850452859 is an apocalyptic number.

850452859 is a deficient number, since it is larger than the sum of its proper divisors (1).

850452859 is an equidigital number, since it uses as much as digits as its factorization.

850452859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576000, while the sum is 46.

The square root of 850452859 is about 29162.5249078333. The cubic root of 850452859 is about 947.4364343569.

The spelling of 850452859 in words is "eight hundred fifty million, four hundred fifty-two thousand, eight hundred fifty-nine".