85864394329 has 8 divisors (see below), whose sum is σ = 100218624768. Its totient is φ = 72032136000.

The previous prime is 85864394327. The next prime is 85864394401. The reversal of 85864394329 is 92349346858.

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 85864394329 - 2¹ = 85864394327 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85864394327) 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, 130492672 + ... + 130493329.

It is an arithmetic number, because the mean of its divisors is an integer number (12527328096).

Almost surely, 2^85864394329 is an apocalyptic number.

It is an amenable number.

85864394329 is a deficient number, since it is larger than the sum of its proper divisors (14354230439).

85864394329 is a wasteful number, since it uses less digits than its factorization.

85864394329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260986055.

The product of its digits is 44789760, while the sum is 61.

The spelling of 85864394329 in words is "eighty-five billion, eight hundred sixty-four million, three hundred ninety-four thousand, three hundred twenty-nine".