28854679 has 6 divisors (see below), whose sum is σ = 33565704. Its totient is φ = 24732540.

The previous prime is 28854667. The next prime is 28854691. The reversal of 28854679 is 97645882.

It is an interprime number because it is at equal distance from previous prime (28854667) and next prime (28854691).

It is not a de Polignac number, because 28854679 - 2¹¹ = 28852631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 588871 = 28854679 / (2 + 8 + 8 + 5 + 4 + 6 + 7 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28854619) 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 5 ways as a sum of consecutive naturals, for example, 294387 + ... + 294484.

It is an arithmetic number, because the mean of its divisors is an integer number (5594284).

Almost surely, 2^28854679 is an apocalyptic number.

28854679 is a deficient number, since it is larger than the sum of its proper divisors (4711025).

28854679 is an equidigital number, since it uses as much as digits as its factorization.

28854679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588885 (or 588878 counting only the distinct ones).

The product of its digits is 967680, while the sum is 49.

The square root of 28854679 is about 5371.6551452974. The cubic root of 28854679 is about 306.7176365868.

The spelling of 28854679 in words is "twenty-eight million, eight hundred fifty-four thousand, six hundred seventy-nine".