85939394055 has 8 divisors (see below), whose sum is σ = 137503030512. Its totient is φ = 45834343488.

The previous prime is 85939393999. The next prime is 85939394069. The reversal of 85939394055 is 55049393958.

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

It is not a de Polignac number, because 85939394055 - 2⁷ = 85939393927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85939394055.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2864646454 + ... + 2864646483.

It is an arithmetic number, because the mean of its divisors is an integer number (17187878814).

Almost surely, 2^85939394055 is an apocalyptic number.

85939394055 is a deficient number, since it is larger than the sum of its proper divisors (51563636457).

85939394055 is a wasteful number, since it uses less digits than its factorization.

85939394055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5729292945.

The product of its (nonzero) digits is 26244000, while the sum is 60.

The spelling of 85939394055 in words is "eighty-five billion, nine hundred thirty-nine million, three hundred ninety-four thousand, fifty-five".