28822679 has 4 divisors (see below), whose sum is σ = 28835040. Its totient is φ = 28810320.

The previous prime is 28822669. The next prime is 28822687. The reversal of 28822679 is 97622882.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 28822679 - 2²⁴ = 12045463 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 (28822649) 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, 1502 + ... + 7739.

It is an arithmetic number, because the mean of its divisors is an integer number (7208760).

Almost surely, 2^28822679 is an apocalyptic number.

28822679 is a deficient number, since it is larger than the sum of its proper divisors (12361).

28822679 is an equidigital number, since it uses as much as digits as its factorization.

28822679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12360.

The product of its digits is 193536, while the sum is 44.

The square root of 28822679 is about 5368.6757212557. The cubic root of 28822679 is about 306.6042107898.

The spelling of 28822679 in words is "twenty-eight million, eight hundred twenty-two thousand, six hundred seventy-nine".