28282827 has 8 divisors (see below), whose sum is σ = 37748880. Its totient is φ = 18836000.

The previous prime is 28282823. The next prime is 28282829. The reversal of 28282827 is 72828282.

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

It is a cyclic number.

It is not a de Polignac number, because 28282827 - 2² = 28282823 is a prime.

It is a super-2 number, since 2×28282827² = 1599836606223858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28282823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 924 + ... + 7577.

It is an arithmetic number, because the mean of its divisors is an integer number (4718610).

Almost surely, 2^28282827 is an apocalyptic number.

28282827 is a deficient number, since it is larger than the sum of its proper divisors (9466053).

28282827 is a wasteful number, since it uses less digits than its factorization.

28282827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9613.

The product of its digits is 57344, while the sum is 39.

The square root of 28282827 is about 5318.1601141748. The cubic root of 28282827 is about 304.6778898060.

The spelling of 28282827 in words is "twenty-eight million, two hundred eighty-two thousand, eight hundred twenty-seven".