28233079 has 8 divisors (see below), whose sum is σ = 32721408. Its totient is φ = 23858520.

The previous prime is 28233077. The next prime is 28233091. The reversal of 28233079 is 97033282.

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

It is not a de Polignac number, because 28233079 - 2¹ = 28233077 is a prime.

It is a super-3 number, since 3×28233079³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28233077) 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, 27907 + ... + 28900.

It is an arithmetic number, because the mean of its divisors is an integer number (4090176).

Almost surely, 2^28233079 is an apocalyptic number.

28233079 is a deficient number, since it is larger than the sum of its proper divisors (4488329).

28233079 is an equidigital number, since it uses as much as digits as its factorization.

28233079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56885.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 28233079 is about 5313.4808741540. The cubic root of 28233079 is about 304.4991475229.

The spelling of 28233079 in words is "twenty-eight million, two hundred thirty-three thousand, seventy-nine".