85841761085 has 16 divisors (see below), whose sum is σ = 104733021360. Its totient is φ = 67525539840.

The previous prime is 85841761051. The next prime is 85841761087. The reversal of 85841761085 is 58016714858.

It can be written as a sum of positive squares in 8 ways, for example, as 2983562884 + 82858198201 = 54622^2 + 287851^2 .

It is not a de Polignac number, because 85841761085 - 2⁶ = 85841761021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85841761087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 922139 + ... + 1010951.

It is an arithmetic number, because the mean of its divisors is an integer number (6545813835).

Almost surely, 2^85841761085 is an apocalyptic number.

It is an amenable number.

85841761085 is a deficient number, since it is larger than the sum of its proper divisors (18891260275).

85841761085 is a wasteful number, since it uses less digits than its factorization.

85841761085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92048.

The product of its (nonzero) digits is 2150400, while the sum is 53.

The spelling of 85841761085 in words is "eighty-five billion, eight hundred forty-one million, seven hundred sixty-one thousand, eighty-five".