859050853 has 2 divisors, whose sum is σ = 859050854. Its totient is φ = 859050852.

The previous prime is 859050833. The next prime is 859050859. The reversal of 859050853 is 358050958.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 854860644 + 4190209 = 29238^2 + 2047^2 .

It is a cyclic number.

It is not a de Polignac number, because 859050853 - 2⁵ = 859050821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (859050859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 429525426 + 429525427.

It is an arithmetic number, because the mean of its divisors is an integer number (429525427).

Almost surely, 2^859050853 is an apocalyptic number.

It is an amenable number.

859050853 is a deficient number, since it is larger than the sum of its proper divisors (1).

859050853 is an equidigital number, since it uses as much as digits as its factorization.

859050853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216000, while the sum is 43.

The square root of 859050853 is about 29309.5693076510. The cubic root of 859050853 is about 950.6185640967.

The spelling of 859050853 in words is "eight hundred fifty-nine million, fifty thousand, eight hundred fifty-three".