85867205 has 8 divisors (see below), whose sum is σ = 103200504. Its totient is φ = 68587200.

The previous prime is 85867169. The next prime is 85867219. The reversal of 85867205 is 50276858.

It can be written as a sum of positive squares in 4 ways, for example, as 19509889 + 66357316 = 4417^2 + 8146^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85867205 - 2²² = 81672901 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 7 ways as a sum of consecutive naturals, for example, 9686 + ... + 16295.

It is an arithmetic number, because the mean of its divisors is an integer number (12900063).

Almost surely, 2^85867205 is an apocalyptic number.

It is an amenable number.

85867205 is a deficient number, since it is larger than the sum of its proper divisors (17333299).

85867205 is a wasteful number, since it uses less digits than its factorization.

85867205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26647.

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 85867205 is about 9266.4559028789. The cubic root of 85867205 is about 441.1731862640.

The spelling of 85867205 in words is "eighty-five million, eight hundred sixty-seven thousand, two hundred five".