80282500 has 60 divisors (see below), whose sum is σ = 185987340. Its totient is φ = 30208000.

The previous prime is 80282479. The next prime is 80282507. The reversal of 80282500 is 528208.

It can be written as a sum of positive squares in 10 ways, for example, as 51638596 + 28643904 = 7186^2 + 5352^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (80282507) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 41556 + ... + 43444.

It is an arithmetic number, because the mean of its divisors is an integer number (3099789).

Almost surely, 2^80282500 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 80282500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92993670).

80282500 is an abundant number, since it is smaller than the sum of its proper divisors (105704840).

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

80282500 is a wasteful number, since it uses less digits than its factorization.

80282500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930 (or 1913 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 80282500 is about 8960.0502230735. The cubic root of 80282500 is about 431.3935320034.

The spelling of 80282500 in words is "eighty million, two hundred eighty-two thousand, five hundred".