85134336571 has 8 divisors (see below), whose sum is σ = 85998708224. Its totient is φ = 84270692520.

The previous prime is 85134336559. The next prime is 85134336577. The reversal of 85134336571 is 17563343158.

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

It is a cyclic number.

It is not a de Polignac number, because 85134336571 - 2⁹ = 85134336059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85134336577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54856 + ... + 416266.

It is an arithmetic number, because the mean of its divisors is an integer number (10749838528).

Almost surely, 2^85134336571 is an apocalyptic number.

85134336571 is a deficient number, since it is larger than the sum of its proper divisors (864371653).

85134336571 is a wasteful number, since it uses less digits than its factorization.

85134336571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363801.

The product of its digits is 907200, while the sum is 46.

The spelling of 85134336571 in words is "eighty-five billion, one hundred thirty-four million, three hundred thirty-six thousand, five hundred seventy-one".