28082882 has 8 divisors (see below), whose sum is σ = 42597900. Its totient is φ = 13883584.

The previous prime is 28082867. The next prime is 28082891. The reversal of 28082882 is 28828082.

It can be written as a sum of positive squares in 2 ways, for example, as 28079401 + 3481 = 5299^2 + 59^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×28082882² = 1577296522851848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78707 + ... + 79062.

Almost surely, 2^28082882 is an apocalyptic number.

28082882 is a deficient number, since it is larger than the sum of its proper divisors (14515018).

28082882 is a wasteful number, since it uses less digits than its factorization.

28082882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157860.

The product of its (nonzero) digits is 32768, while the sum is 38.

The square root of 28082882 is about 5299.3284480206. The cubic root of 28082882 is about 303.9582193851.

The spelling of 28082882 in words is "twenty-eight million, eighty-two thousand, eight hundred eighty-two".