84986732544 has 448 divisors, whose sum is σ = 276605853696. Its totient is φ = 22682271744.

The previous prime is 84986732527. The next prime is 84986732569. The reversal of 84986732544 is 44523768948.

It is a tau number, because it is divible by the number of its divisors (448).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 185966364 + ... + 185966820.

Almost surely, 2^84986732544 is an apocalyptic number.

84986732544 is a gapful number since it is divisible by the number (84) 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 84986732544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138302926848).

84986732544 is an abundant number, since it is smaller than the sum of its proper divisors (191619121152).

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

84986732544 is a wasteful number, since it uses less digits than its factorization.

84986732544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563 (or 539 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 60.

The spelling of 84986732544 in words is "eighty-four billion, nine hundred eighty-six million, seven hundred thirty-two thousand, five hundred forty-four".