28091614307 has 2 divisors, whose sum is σ = 28091614308. Its totient is φ = 28091614306.

The previous prime is 28091614277. The next prime is 28091614349. The reversal of 28091614307 is 70341619082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28091614307 - 2²² = 28087420003 is a prime.

It is not a weakly prime, because it can be changed into another prime (28091614357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14045807153 + 14045807154.

It is an arithmetic number, because the mean of its divisors is an integer number (14045807154).

Almost surely, 2^28091614307 is an apocalyptic number.

28091614307 is a deficient number, since it is larger than the sum of its proper divisors (1).

28091614307 is an equidigital number, since it uses as much as digits as its factorization.

28091614307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 28091614307 in words is "twenty-eight billion, ninety-one million, six hundred fourteen thousand, three hundred seven".