28595827097 has 2 divisors, whose sum is σ = 28595827098. Its totient is φ = 28595827096.

The previous prime is 28595827093. The next prime is 28595827133. The reversal of 28595827097 is 79072859582.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26242704016 + 2353123081 = 161996^2 + 48509^2 .

It is a cyclic number.

It is not a de Polignac number, because 28595827097 - 2² = 28595827093 is a prime.

It is not a weakly prime, because it can be changed into another prime (28595827093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14297913548 + 14297913549.

It is an arithmetic number, because the mean of its divisors is an integer number (14297913549).

Almost surely, 2^28595827097 is an apocalyptic number.

It is an amenable number.

28595827097 is a deficient number, since it is larger than the sum of its proper divisors (1).

28595827097 is an equidigital number, since it uses as much as digits as its factorization.

28595827097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25401600, while the sum is 62.

The spelling of 28595827097 in words is "twenty-eight billion, five hundred ninety-five million, eight hundred twenty-seven thousand, ninety-seven".