86143100 has 36 divisors (see below), whose sum is σ = 189050400. Its totient is φ = 34066560.

The previous prime is 86143087. The next prime is 86143103. The reversal of 86143100 is 134168.

It is a super-2 number, since 2×86143100² = 14841267355220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86143103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4061 + ... + 13739.

It is an arithmetic number, because the mean of its divisors is an integer number (5251400).

Almost surely, 2^86143100 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 86143100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94525200).

86143100 is an abundant number, since it is smaller than the sum of its proper divisors (102907300).

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

86143100 is a wasteful number, since it uses less digits than its factorization.

86143100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9782 (or 9775 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 86143100 is about 9281.3307235547. The cubic root of 86143100 is about 441.6451838766.

Adding to 86143100 its reverse (134168), we get a palindrome (86277268).

The spelling of 86143100 in words is "eighty-six million, one hundred forty-three thousand, one hundred".