28963279 has 6 divisors (see below), whose sum is σ = 30277856. Its totient is φ = 27703500.

The previous prime is 28963271. The next prime is 28963303. The reversal of 28963279 is 97236982.

It is not a de Polignac number, because 28963279 - 2³ = 28963271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28963271) 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 5 ways as a sum of consecutive naturals, for example, 26847 + ... + 27904.

Almost surely, 2^28963279 is an apocalyptic number.

28963279 is a deficient number, since it is larger than the sum of its proper divisors (1314577).

28963279 is an equidigital number, since it uses as much as digits as its factorization.

28963279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54797 (or 54774 counting only the distinct ones).

The product of its digits is 326592, while the sum is 46.

The square root of 28963279 is about 5381.7542678944. The cubic root of 28963279 is about 307.1019513063.

The spelling of 28963279 in words is "twenty-eight million, nine hundred sixty-three thousand, two hundred seventy-nine".