88600646809 has 2 divisors, whose sum is σ = 88600646810. Its totient is φ = 88600646808.

The previous prime is 88600646789. The next prime is 88600646929. The reversal of 88600646809 is 90864600688.

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., 70581611584 + 18019035225 = 265672^2 + 134235^2 .

It is a cyclic number.

It is not a de Polignac number, because 88600646809 - 2⁵ = 88600646777 is a prime.

It is a super-2 number, since 2×88600646809² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 88600646809.

It is not a weakly prime, because it can be changed into another prime (88600646609) 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, 44300323404 + 44300323405.

It is an arithmetic number, because the mean of its divisors is an integer number (44300323405).

Almost surely, 2^88600646809 is an apocalyptic number.

It is an amenable number.

88600646809 is a deficient number, since it is larger than the sum of its proper divisors (1).

88600646809 is an equidigital number, since it uses as much as digits as its factorization.

88600646809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3981312, while the sum is 55.

The spelling of 88600646809 in words is "eighty-eight billion, six hundred million, six hundred forty-six thousand, eight hundred nine".