28799782 has 16 divisors (see below), whose sum is σ = 49608000. Its totient is φ = 12401640.

The previous prime is 28799779. The next prime is 28799807.

28799782 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34032 + ... + 34867.

It is an arithmetic number, because the mean of its divisors is an integer number (3100500).

Almost surely, 2^28799782 is an apocalyptic number.

28799782 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28799782 is a deficient number, since it is larger than the sum of its proper divisors (20808218).

28799782 is a wasteful number, since it uses less digits than its factorization.

28799782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68931.

The product of its digits is 1016064, while the sum is 52.

The square root of 28799782 is about 5366.5428350103. The cubic root of 28799782 is about 306.5229995506.

The spelling of 28799782 in words is "twenty-eight million, seven hundred ninety-nine thousand, seven hundred eighty-two".