80297984 has 90 divisors (see below), whose sum is σ = 179890830. Its totient is φ = 35782656.

The previous prime is 80297981. The next prime is 80297989. The reversal of 80297984 is 48979208.

It can be written as a sum of positive squares in 3 ways, for example, as 16384 + 80281600 = 128^2 + 8960^2 .

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80297981) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2768882 + ... + 2768910.

It is an arithmetic number, because the mean of its divisors is an integer number (1998787).

Almost surely, 2^80297984 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 80297984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89945415).

80297984 is an abundant number, since it is smaller than the sum of its proper divisors (99592846).

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

80297984 is an equidigital number, since it uses as much as digits as its factorization.

80297984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 80297984 is about 8960.9142390718. The cubic root of 80297984 is about 431.4212643571.

The spelling of 80297984 in words is "eighty million, two hundred ninety-seven thousand, nine hundred eighty-four".