835200085 has 4 divisors (see below), whose sum is σ = 1002240108. Its totient is φ = 668160064.

The previous prime is 835200073. The next prime is 835200097. The reversal of 835200085 is 580002538.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (835200073) and next prime (835200097).

It can be written as a sum of positive squares in 2 ways, for example, as 566535204 + 268664881 = 23802^2 + 16391^2 .

It is a cyclic number.

It is not a de Polignac number, because 835200085 - 2²³ = 826811477 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83520004 + ... + 83520013.

It is an arithmetic number, because the mean of its divisors is an integer number (250560027).

Almost surely, 2^835200085 is an apocalyptic number.

It is an amenable number.

835200085 is a deficient number, since it is larger than the sum of its proper divisors (167040023).

835200085 is a wasteful number, since it uses less digits than its factorization.

835200085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167040022.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 835200085 is about 28899.8284596985. The cubic root of 835200085 is about 941.7381770773.

The spelling of 835200085 in words is "eight hundred thirty-five million, two hundred thousand, eighty-five".