84865600 has 168 divisors, whose sum is σ = 226771200. Its totient is φ = 31180800.

The previous prime is 84865577. The next prime is 84865619. The reversal of 84865600 is 656848.

It is a self number, because there is not a number n which added to its sum of digits gives 84865600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1438371 + ... + 1438429.

Almost surely, 2^84865600 is an apocalyptic number.

84865600 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84865600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113385600).

84865600 is an abundant number, since it is smaller than the sum of its proper divisors (141905600).

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

84865600 is a wasteful number, since it uses less digits than its factorization.

84865600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 84865600 is about 9212.2527103852. The cubic root of 84865600 is about 439.4511061810.

The spelling of 84865600 in words is "eighty-four million, eight hundred sixty-five thousand, six hundred".