28910679 has 8 divisors (see below), whose sum is σ = 44054400. Its totient is φ = 16520376.

The previous prime is 28910677. The next prime is 28910689. The reversal of 28910679 is 97601982.

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

It is not a de Polignac number, because 28910679 - 2¹ = 28910677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28910679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28910677) 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 7 ways as a sum of consecutive naturals, for example, 688329 + ... + 688370.

It is an arithmetic number, because the mean of its divisors is an integer number (5506800).

Almost surely, 2^28910679 is an apocalyptic number.

28910679 is a deficient number, since it is larger than the sum of its proper divisors (15143721).

28910679 is a wasteful number, since it uses less digits than its factorization.

28910679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376709.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 28910679 is about 5376.8651647591. The cubic root of 28910679 is about 306.9159301114.

The spelling of 28910679 in words is "twenty-eight million, nine hundred ten thousand, six hundred seventy-nine".