85835803085 has 4 divisors (see below), whose sum is σ = 103002963708. Its totient is φ = 68668642464.

The previous prime is 85835803073. The next prime is 85835803099. The reversal of 85835803085 is 58030853858.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58030853858 = 2 ⋅29015426929.

It can be written as a sum of positive squares in 2 ways, for example, as 16149834724 + 69685968361 = 127082^2 + 263981^2 .

It is a cyclic number.

It is not a de Polignac number, because 85835803085 - 2²⁸ = 85567367629 is a prime.

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, 8583580304 + ... + 8583580313.

It is an arithmetic number, because the mean of its divisors is an integer number (25750740927).

Almost surely, 2^85835803085 is an apocalyptic number.

It is an amenable number.

85835803085 is a deficient number, since it is larger than the sum of its proper divisors (17167160623).

85835803085 is a wasteful number, since it uses less digits than its factorization.

85835803085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17167160622.

The product of its (nonzero) digits is 4608000, while the sum is 53.

The spelling of 85835803085 in words is "eighty-five billion, eight hundred thirty-five million, eight hundred three thousand, eighty-five".