85805702215 has 8 divisors (see below), whose sum is σ = 107443662048. Its totient is φ = 65660015520.

The previous prime is 85805702197. The next prime is 85805702231. The reversal of 85805702215 is 51220750858.

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

It is not a de Polignac number, because 85805702215 - 2²³ = 85797313607 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, 373068156 + ... + 373068385.

It is an arithmetic number, because the mean of its divisors is an integer number (13430457756).

Almost surely, 2^85805702215 is an apocalyptic number.

85805702215 is a deficient number, since it is larger than the sum of its proper divisors (21637959833).

85805702215 is a wasteful number, since it uses less digits than its factorization.

85805702215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746136569.

The product of its (nonzero) digits is 224000, while the sum is 43.

The spelling of 85805702215 in words is "eighty-five billion, eight hundred five million, seven hundred two thousand, two hundred fifteen".