85860802584 has 96 divisors (see below), whose sum is σ = 238976946000. Its totient is φ = 27828976896.

The previous prime is 85860802523. The next prime is 85860802631. The reversal of 85860802584 is 48520806858.

It is a happy number.

85860802584 is a `hidden beast` number, since 8 + 5 + 8 + 608 + 0 + 25 + 8 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 85860802584.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4543347 + ... + 4562205.

Almost surely, 2^85860802584 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 85860802584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119488473000).

85860802584 is an abundant number, since it is smaller than the sum of its proper divisors (153116143416).

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

85860802584 is a wasteful number, since it uses less digits than its factorization.

85860802584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20617 (or 20610 counting only the distinct ones).

The product of its (nonzero) digits is 4915200, while the sum is 54.

The spelling of 85860802584 in words is "eighty-five billion, eight hundred sixty million, eight hundred two thousand, five hundred eighty-four".