28696079 has 4 divisors (see below), whose sum is σ = 28733976. Its totient is φ = 28658184.

The previous prime is 28696067. The next prime is 28696091. The reversal of 28696079 is 97069682.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97069682 = 2 ⋅48534841.

It is an interprime number because it is at equal distance from previous prime (28696067) and next prime (28696091).

It is a cyclic number.

It is not a de Polignac number, because 28696079 - 2¹⁶ = 28630543 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 (28696279) 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, 17789 + ... + 19334.

It is an arithmetic number, because the mean of its divisors is an integer number (7183494).

Almost surely, 2^28696079 is an apocalyptic number.

28696079 is a deficient number, since it is larger than the sum of its proper divisors (37897).

28696079 is an equidigital number, since it uses as much as digits as its factorization.

28696079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37896.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 28696079 is about 5356.8721283973. The cubic root of 28696079 is about 306.1546450875.

The spelling of 28696079 in words is "twenty-eight million, six hundred ninety-six thousand, seventy-nine".