82528758 has 72 divisors (see below), whose sum is σ = 199521504. Its totient is φ = 24507360.

The previous prime is 82528717. The next prime is 82528781. The reversal of 82528758 is 85782528.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 224691 + ... + 225057.

It is an arithmetic number, because the mean of its divisors is an integer number (2771132).

Almost surely, 2^82528758 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82528758, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99760752).

82528758 is an abundant number, since it is smaller than the sum of its proper divisors (116992746).

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

82528758 is a wasteful number, since it uses less digits than its factorization.

82528758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450 (or 416 counting only the distinct ones).

The product of its digits is 358400, while the sum is 45.

The square root of 82528758 is about 9084.5340001565. The cubic root of 82528758 is about 435.3799613185.

The spelling of 82528758 in words is "eighty-two million, five hundred twenty-eight thousand, seven hundred fifty-eight".