84863712 has 48 divisors (see below), whose sum is σ = 226558080. Its totient is φ = 27806592.

The previous prime is 84863699. The next prime is 84863719. The reversal of 84863712 is 21736848.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×84863712² = 14403699228837888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84863719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1828 + ... + 13155.

It is an arithmetic number, because the mean of its divisors is an integer number (4719960).

Almost surely, 2^84863712 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 84863712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113279040).

84863712 is an abundant number, since it is smaller than the sum of its proper divisors (141694368).

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

84863712 is a wasteful number, since it uses less digits than its factorization.

84863712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15055 (or 15047 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 84863712 is about 9212.1502375938. The cubic root of 84863712 is about 439.4478473426.

The spelling of 84863712 in words is "eighty-four million, eight hundred sixty-three thousand, seven hundred twelve".