28282799 has 4 divisors (see below), whose sum is σ = 28429536. Its totient is φ = 28136064.

The previous prime is 28282741. The next prime is 28282817. The reversal of 28282799 is 99728282.

28282799 = T₄₄₂ + T₄₄₃ + ... + T₆₃₄.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28282799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28282739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73079 + ... + 73464.

It is an arithmetic number, because the mean of its divisors is an integer number (7107384).

Almost surely, 2^28282799 is an apocalyptic number.

28282799 is a deficient number, since it is larger than the sum of its proper divisors (146737).

28282799 is a wasteful number, since it uses less digits than its factorization.

28282799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146736.

The product of its digits is 290304, while the sum is 47.

The square root of 28282799 is about 5318.1574816848. The cubic root of 28282799 is about 304.6777892623.

The spelling of 28282799 in words is "twenty-eight million, two hundred eighty-two thousand, seven hundred ninety-nine".