80528256 has 112 divisors (see below), whose sum is σ = 240809760. Its totient is φ = 26811648.

The previous prime is 80528237. The next prime is 80528263. The reversal of 80528256 is 65282508.

80528256 is a `hidden beast` number, since 80 + 528 + 2 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 80528256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 92881 + ... + 93743.

Almost surely, 2^80528256 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 80528256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120404880).

80528256 is an abundant number, since it is smaller than the sum of its proper divisors (160281504).

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

80528256 is an frugal number, since it uses more digits than its factorization.

80528256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895 (or 868 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 80528256 is about 8973.7537296273. The cubic root of 80528256 is about 431.8332689915.

The spelling of 80528256 in words is "eighty million, five hundred twenty-eight thousand, two hundred fifty-six".