28759679 has 8 divisors (see below), whose sum is σ = 31130400. Its totient is φ = 26411616.

The previous prime is 28759667. The next prime is 28759681. The reversal of 28759679 is 97695782.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28759679 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28759679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28759079) 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, 2972 + ... + 8145.

It is an arithmetic number, because the mean of its divisors is an integer number (3891300).

Almost surely, 2^28759679 is an apocalyptic number.

28759679 is a deficient number, since it is larger than the sum of its proper divisors (2370721).

28759679 is a wasteful number, since it uses less digits than its factorization.

28759679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11329.

The product of its digits is 1905120, while the sum is 53.

The square root of 28759679 is about 5362.8051428334. The cubic root of 28759679 is about 306.3806581730.

The spelling of 28759679 in words is "twenty-eight million, seven hundred fifty-nine thousand, six hundred seventy-nine".