86847820497888 has 96 divisors (see below), whose sum is σ = 229013579031552. Its totient is φ = 28817475456000.

The previous prime is 86847820497887. The next prime is 86847820497931. The reversal of 86847820497888 is 88879402874868.

It is a happy number.

86847820497888 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86847820497887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329572903 + ... + 329836313.

It is an arithmetic number, because the mean of its divisors is an integer number (2385558114912).

Almost surely, 2^{86847820497888} 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 86847820497888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114506789515776).

86847820497888 is an abundant number, since it is smaller than the sum of its proper divisors (142165758533664).

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

86847820497888 is a wasteful number, since it uses less digits than its factorization.

86847820497888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279048 (or 279040 counting only the distinct ones).

The product of its (nonzero) digits is 22196256768, while the sum is 87.

The spelling of 86847820497888 in words is "eighty-six trillion, eight hundred forty-seven billion, eight hundred twenty million, four hundred ninety-seven thousand, eight hundred eighty-eight".