28093679 has 2 divisors, whose sum is σ = 28093680. Its totient is φ = 28093678.

The previous prime is 28093669. The next prime is 28093687. The reversal of 28093679 is 97639082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28093679 - 2²⁰ = 27045103 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28093669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14046839 + 14046840.

It is an arithmetic number, because the mean of its divisors is an integer number (14046840).

Almost surely, 2^28093679 is an apocalyptic number.

28093679 is a deficient number, since it is larger than the sum of its proper divisors (1).

28093679 is an equidigital number, since it uses as much as digits as its factorization.

28093679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 28093679 is about 5300.3470641082. The cubic root of 28093679 is about 303.9971685736.

The spelling of 28093679 in words is "twenty-eight million, ninety-three thousand, six hundred seventy-nine".