28063782 has 36 divisors (see below), whose sum is σ = 61965540. Its totient is φ = 9179280.

The previous prime is 28063771. The next prime is 28063801. The reversal of 28063782 is 28736082.

It is a happy number.

28063782 is a `hidden beast` number, since 280 + 6 + 378 + 2 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 66769 + ... + 67187.

It is an arithmetic number, because the mean of its divisors is an integer number (1721265).

Almost surely, 2^28063782 is an apocalyptic number.

28063782 is an abundant number, since it is smaller than the sum of its proper divisors (33901758).

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

28063782 is a wasteful number, since it uses less digits than its factorization.

28063782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 28063782 is about 5297.5260263636. The cubic root of 28063782 is about 303.8892934266.

The spelling of 28063782 in words is "twenty-eight million, sixty-three thousand, seven hundred eighty-two".