28695479 has 2 divisors, whose sum is σ = 28695480. Its totient is φ = 28695478.

The previous prime is 28695397. The next prime is 28695481. The reversal of 28695479 is 97459682.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28695479 - 2⁸ = 28695223 is a prime.

Together with 28695481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28695179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14347739 + 14347740.

It is an arithmetic number, because the mean of its divisors is an integer number (14347740).

Almost surely, 2^28695479 is an apocalyptic number.

28695479 is a deficient number, since it is larger than the sum of its proper divisors (1).

28695479 is an equidigital number, since it uses as much as digits as its factorization.

28695479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 50.

The square root of 28695479 is about 5356.8161252744. The cubic root of 28695479 is about 306.1525112993.

The spelling of 28695479 in words is "twenty-eight million, six hundred ninety-five thousand, four hundred seventy-nine".