88609909573 has 2 divisors, whose sum is σ = 88609909574. Its totient is φ = 88609909572.

The previous prime is 88609909541. The next prime is 88609909579. The reversal of 88609909573 is 37590990688.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84868507684 + 3741401889 = 291322^2 + 61167^2 .

It is a cyclic number.

It is not a de Polignac number, because 88609909573 - 2⁵ = 88609909541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88609909579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44304954786 + 44304954787.

It is an arithmetic number, because the mean of its divisors is an integer number (44304954787).

Almost surely, 2^88609909573 is an apocalyptic number.

It is an amenable number.

88609909573 is a deficient number, since it is larger than the sum of its proper divisors (1).

88609909573 is an equidigital number, since it uses as much as digits as its factorization.

88609909573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29393280, while the sum is 64.

The spelling of 88609909573 in words is "eighty-eight billion, six hundred nine million, nine hundred nine thousand, five hundred seventy-three".