28579059 has 24 divisors (see below), whose sum is σ = 44637840. Its totient is φ = 17558208.

The previous prime is 28579043. The next prime is 28579063. The reversal of 28579059 is 95097582.

Added to its reverse (95097582) it gives a square (123676641 = 11121²).

It is a happy number.

28579059 is a `hidden beast` number, since 28 + 579 + 0 + 59 = 666.

It is not a de Polignac number, because 28579059 - 2⁴ = 28579043 is a prime.

It is a super-2 number, since 2×28579059² = 1633525226650962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28579039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4069 + ... + 8585.

It is an arithmetic number, because the mean of its divisors is an integer number (1859910).

Almost surely, 2^28579059 is an apocalyptic number.

28579059 is a deficient number, since it is larger than the sum of its proper divisors (16058781).

28579059 is a wasteful number, since it uses less digits than its factorization.

28579059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4579 (or 4576 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The square root of 28579059 is about 5345.9385518354. The cubic root of 28579059 is about 305.7379211873.

Adding to 28579059 its reverse (95097582), we get a square (123676641 = 11121²).

The spelling of 28579059 in words is "twenty-eight million, five hundred seventy-nine thousand, fifty-nine".