28826719 has 2 divisors, whose sum is σ = 28826720. Its totient is φ = 28826718.

The previous prime is 28826717. The next prime is 28826723. The reversal of 28826719 is 91762882.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28826719 - 2¹ = 28826717 is a prime.

It is a super-2 number, since 2×28826719² = 1661959456609922, which contains 22 as substring.

Together with 28826717, 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 (28826717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14413359 + 14413360.

It is an arithmetic number, because the mean of its divisors is an integer number (14413360).

Almost surely, 2^28826719 is an apocalyptic number.

28826719 is a deficient number, since it is larger than the sum of its proper divisors (1).

28826719 is an equidigital number, since it uses as much as digits as its factorization.

28826719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 43.

The square root of 28826719 is about 5369.0519647327. The cubic root of 28826719 is about 306.6185354256.

The spelling of 28826719 in words is "twenty-eight million, eight hundred twenty-six thousand, seven hundred nineteen".