28325679 has 8 divisors (see below), whose sum is σ = 38285232. Its totient is φ = 18624960.

The previous prime is 28325677. The next prime is 28325701. The reversal of 28325679 is 97652382.

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

It is not a de Polignac number, because 28325679 - 2¹ = 28325677 is a prime.

It is a super-2 number, since 2×28325679² = 1604688181622082, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28325679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28325677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64452 + ... + 64889.

It is an arithmetic number, because the mean of its divisors is an integer number (4785654).

Almost surely, 2^28325679 is an apocalyptic number.

28325679 is a deficient number, since it is larger than the sum of its proper divisors (9959553).

28325679 is a wasteful number, since it uses less digits than its factorization.

28325679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129417.

The product of its digits is 181440, while the sum is 42.

The square root of 28325679 is about 5322.1874262374. The cubic root of 28325679 is about 304.8316871218.

The spelling of 28325679 in words is "twenty-eight million, three hundred twenty-five thousand, six hundred seventy-nine".