80790528 has 264 divisors, whose sum is σ = 281536192. Its totient is φ = 20054016.

The previous prime is 80790503. The next prime is 80790539. The reversal of 80790528 is 82509708.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4752376 + ... + 4752392.

Almost surely, 2^80790528 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 80790528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140768096).

80790528 is an abundant number, since it is smaller than the sum of its proper divisors (200745664).

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

80790528 is a wasteful number, since it uses less digits than its factorization.

80790528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 80790528 is about 8988.3551331709. The cubic root of 80790528 is about 432.3015726924.

It can be divided in two parts, 80790 and 528, that added together give a palindrome (81318).

The spelling of 80790528 in words is "eighty million, seven hundred ninety thousand, five hundred twenty-eight".