86922188556 has 96 divisors (see below), whose sum is σ = 234964800000. Its totient is φ = 24496378368.

The previous prime is 86922188533. The next prime is 86922188569. The reversal of 86922188556 is 65588122968.

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 86922188556.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3118570 + ... + 3146318.

It is an arithmetic number, because the mean of its divisors is an integer number (2447550000).

Almost surely, 2^86922188556 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 86922188556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117482400000).

86922188556 is an abundant number, since it is smaller than the sum of its proper divisors (148042611444).

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

86922188556 is a wasteful number, since it uses less digits than its factorization.

86922188556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28271 (or 28269 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 60.

The spelling of 86922188556 in words is "eighty-six billion, nine hundred twenty-two million, one hundred eighty-eight thousand, five hundred fifty-six".