85439653206 has 8 divisors (see below), whose sum is σ = 170879306424. Its totient is φ = 28479884400.

The previous prime is 85439653177. The next prime is 85439653249. The reversal of 85439653206 is 60235693458.

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

85439653206 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7119971095 + ... + 7119971106.

It is an arithmetic number, because the mean of its divisors is an integer number (21359913303).

Almost surely, 2^85439653206 is an apocalyptic number.

85439653206 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85439653206 is a wasteful number, since it uses less digits than its factorization.

85439653206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14239942206.

The product of its (nonzero) digits is 4665600, while the sum is 51.

The spelling of 85439653206 in words is "eighty-five billion, four hundred thirty-nine million, six hundred fifty-three thousand, two hundred six".