88989338771549 has 2 divisors, whose sum is σ = 88989338771550. Its totient is φ = 88989338771548.

The previous prime is 88989338771539. The next prime is 88989338771569. The reversal of 88989338771549 is 94517783398988.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44640638263225 + 44348700508324 = 6681365^2 + 6659482^2 .

It is a cyclic number.

It is not a de Polignac number, because 88989338771549 - 2⁴⁰ = 87889827143773 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88989338771539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44494669385774 + 44494669385775.

It is an arithmetic number, because the mean of its divisors is an integer number (44494669385775).

Almost surely, 2^{88989338771549} is an apocalyptic number.

It is an amenable number.

88989338771549 is a deficient number, since it is larger than the sum of its proper divisors (1).

88989338771549 is an equidigital number, since it uses as much as digits as its factorization.

88989338771549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26336378880, while the sum is 89.

The spelling of 88989338771549 in words is "eighty-eight trillion, nine hundred eighty-nine billion, three hundred thirty-eight million, seven hundred seventy-one thousand, five hundred forty-nine".