85136288316 has 12 divisors (see below), whose sum is σ = 198651339432. Its totient is φ = 28378762768.

The previous prime is 85136288309. The next prime is 85136288327. The reversal of 85136288316 is 61388263158.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3547345335 + ... + 3547345358.

It is an arithmetic number, because the mean of its divisors is an integer number (16554278286).

Almost surely, 2^85136288316 is an apocalyptic number.

It is an amenable number.

85136288316 is an abundant number, since it is smaller than the sum of its proper divisors (113515051116).

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

85136288316 is a wasteful number, since it uses less digits than its factorization.

85136288316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7094690700 (or 7094690698 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 51.

The spelling of 85136288316 in words is "eighty-five billion, one hundred thirty-six million, two hundred eighty-eight thousand, three hundred sixteen".