84664528 has 40 divisors (see below), whose sum is σ = 179676000. Its totient is φ = 38408064.

The previous prime is 84664519. The next prime is 84664529. The reversal of 84664528 is 82546648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84664529) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8823 + ... + 15721.

It is an arithmetic number, because the mean of its divisors is an integer number (4491900).

Almost surely, 2^84664528 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 84664528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89838000).

84664528 is an abundant number, since it is smaller than the sum of its proper divisors (95011472).

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

84664528 is a wasteful number, since it uses less digits than its factorization.

84664528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6979 (or 6973 counting only the distinct ones).

The product of its digits is 368640, while the sum is 43.

The square root of 84664528 is about 9201.3329469159. The cubic root of 84664528 is about 439.1037679992.

The spelling of 84664528 in words is "eighty-four million, six hundred sixty-four thousand, five hundred twenty-eight".