83528784 has 60 divisors (see below), whose sum is σ = 234797472. Its totient is φ = 27720000.

The previous prime is 83528761. The next prime is 83528813. The reversal of 83528784 is 48782538.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34989 + ... + 37299.

Almost surely, 2^83528784 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 83528784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117398736).

83528784 is an abundant number, since it is smaller than the sum of its proper divisors (151268688).

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

83528784 is a wasteful number, since it uses less digits than its factorization.

83528784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2576 (or 2567 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 83528784 is about 9139.4082959456. The cubic root of 83528784 is about 437.1314495110.

The spelling of 83528784 in words is "eighty-three million, five hundred twenty-eight thousand, seven hundred eighty-four".