86005708852 has 72 divisors (see below), whose sum is σ = 181679319360. Its totient is φ = 35495066880.

The previous prime is 86005708843. The next prime is 86005708931. The reversal of 86005708852 is 25880750068.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 86005708796 and 86005708805.

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, 526524 + ... + 670252.

It is an arithmetic number, because the mean of its divisors is an integer number (2523323880).

Almost surely, 2^86005708852 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 86005708852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90839659680).

86005708852 is an abundant number, since it is smaller than the sum of its proper divisors (95673610508).

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

86005708852 is a wasteful number, since it uses less digits than its factorization.

86005708852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143861 (or 143852 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 49.

The spelling of 86005708852 in words is "eighty-six billion, five million, seven hundred eight thousand, eight hundred fifty-two".