28880076 has 48 divisors (see below), whose sum is σ = 75116160. Its totient is φ = 8582400.

The previous prime is 28880069. The next prime is 28880077. The reversal of 28880076 is 67008882.

It is not an unprimeable number, because it can be changed into a prime (28880077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151 + ... + 7601.

It is an arithmetic number, because the mean of its divisors is an integer number (1564920).

Almost surely, 2^28880076 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 28880076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37558080).

28880076 is an abundant number, since it is smaller than the sum of its proper divisors (46236084).

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

28880076 is a wasteful number, since it uses less digits than its factorization.

28880076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7494 (or 7492 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 28880076 is about 5374.0186080809. The cubic root of 28880076 is about 306.8075980048.

The spelling of 28880076 in words is "twenty-eight million, eight hundred eighty thousand, seventy-six".