850868059 has 2 divisors, whose sum is σ = 850868060. Its totient is φ = 850868058.

The previous prime is 850868017. The next prime is 850868069. The reversal of 850868059 is 950868058.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 850868059 - 2¹⁷ = 850736987 is a prime.

It is not a weakly prime, because it can be changed into another prime (850868009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425434029 + 425434030.

It is an arithmetic number, because the mean of its divisors is an integer number (425434030).

Almost surely, 2^850868059 is an apocalyptic number.

850868059 is a deficient number, since it is larger than the sum of its proper divisors (1).

850868059 is an equidigital number, since it uses as much as digits as its factorization.

850868059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 691200, while the sum is 49.

The square root of 850868059 is about 29169.6427643535. The cubic root of 850868059 is about 947.5905920718.

Subtracting 850868059 from its reverse (950868058), we obtain a palindrome (99999999).

It can be divided in two parts, 8508 and 68059, that added together give a palindrome (76567).

The spelling of 850868059 in words is "eight hundred fifty million, eight hundred sixty-eight thousand, fifty-nine".