89938359757 has 2 divisors, whose sum is σ = 89938359758. Its totient is φ = 89938359756.

The previous prime is 89938359743. The next prime is 89938359773. The reversal of 89938359757 is 75795383998.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64482476356 + 25455883401 = 253934^2 + 159549^2 .

It is a cyclic number.

It is not a de Polignac number, because 89938359757 - 2¹¹ = 89938357709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89938359757.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89938359737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44969179878 + 44969179879.

It is an arithmetic number, because the mean of its divisors is an integer number (44969179879).

Almost surely, 2^89938359757 is an apocalyptic number.

It is an amenable number.

89938359757 is a deficient number, since it is larger than the sum of its proper divisors (1).

89938359757 is an equidigital number, since it uses as much as digits as its factorization.

89938359757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 514382400, while the sum is 73.

The spelling of 89938359757 in words is "eighty-nine billion, nine hundred thirty-eight million, three hundred fifty-nine thousand, seven hundred fifty-seven".