28374679 has 2 divisors, whose sum is σ = 28374680. Its totient is φ = 28374678.

The previous prime is 28374677. The next prime is 28374719. The reversal of 28374679 is 97647382.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28374679 - 2¹ = 28374677 is a prime.

Together with 28374677, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28374677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14187339 + 14187340.

It is an arithmetic number, because the mean of its divisors is an integer number (14187340).

Almost surely, 2^28374679 is an apocalyptic number.

28374679 is a deficient number, since it is larger than the sum of its proper divisors (1).

28374679 is an equidigital number, since it uses as much as digits as its factorization.

28374679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 46.

The square root of 28374679 is about 5326.7888075275. The cubic root of 28374679 is about 305.0073598511.

The spelling of 28374679 in words is "twenty-eight million, three hundred seventy-four thousand, six hundred seventy-nine".