85258376016 has 80 divisors (see below), whose sum is σ = 240662691840. Its totient is φ = 25794034560.

The previous prime is 85258375997. The next prime is 85258376089. The reversal of 85258376016 is 61067385258.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 85258376016.

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 15 ways as a sum of consecutive naturals, for example, 196401 + ... + 457263.

It is an arithmetic number, because the mean of its divisors is an integer number (3008283648).

Almost surely, 2^85258376016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85258376016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120331345920).

85258376016 is an abundant number, since it is smaller than the sum of its proper divisors (155404315824).

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

85258376016 is a wasteful number, since it uses less digits than its factorization.

85258376016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261504 (or 261498 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 85258376016 in words is "eighty-five billion, two hundred fifty-eight million, three hundred seventy-six thousand, sixteen".