28076680 has 32 divisors (see below), whose sum is σ = 66499200. Its totient is φ = 10639296.

The previous prime is 28076663. The next prime is 28076681. The reversal of 28076680 is 8667082.

It is not an unprimeable number, because it can be changed into a prime (28076681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17712 + ... + 19231.

It is an arithmetic number, because the mean of its divisors is an integer number (2078100).

Almost surely, 2^28076680 is an apocalyptic number.

28076680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28076680 is an abundant number, since it is smaller than the sum of its proper divisors (38422520).

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

28076680 is a wasteful number, since it uses less digits than its factorization.

28076680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36973 (or 36969 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 28076680 is about 5298.7432472238. The cubic root of 28076680 is about 303.9358417237.

The spelling of 28076680 in words is "twenty-eight million, seventy-six thousand, six hundred eighty".