28329079 has 2 divisors, whose sum is σ = 28329080. Its totient is φ = 28329078.

The previous prime is 28329061. The next prime is 28329127. The reversal of 28329079 is 97092382.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28329079 - 2⁵ = 28329047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28329029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14164539 + 14164540.

It is an arithmetic number, because the mean of its divisors is an integer number (14164540).

Almost surely, 2^28329079 is an apocalyptic number.

28329079 is a deficient number, since it is larger than the sum of its proper divisors (1).

28329079 is an equidigital number, since it uses as much as digits as its factorization.

28329079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 28329079 is about 5322.5068341901. The cubic root of 28329079 is about 304.8438831963.

It can be divided in two parts, 2832 and 9079, that added together give a palindrome (11911).

The spelling of 28329079 in words is "twenty-eight million, three hundred twenty-nine thousand, seventy-nine".