28779326 has 8 divisors (see below), whose sum is σ = 43257000. Its totient is φ = 14360328.

The previous prime is 28779323. The next prime is 28779329. The reversal of 28779326 is 62397782.

It is an interprime number because it is at equal distance from previous prime (28779323) and next prime (28779329).

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28779323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13421 + ... + 15416.

It is an arithmetic number, because the mean of its divisors is an integer number (5407125).

Almost surely, 2^28779326 is an apocalyptic number.

28779326 is a deficient number, since it is larger than the sum of its proper divisors (14477674).

28779326 is a wasteful number, since it uses less digits than its factorization.

28779326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29338.

The product of its digits is 254016, while the sum is 44.

The square root of 28779326 is about 5364.6366139749. The cubic root of 28779326 is about 306.4504096538.

The spelling of 28779326 in words is "twenty-eight million, seven hundred seventy-nine thousand, three hundred twenty-six".