89920985753 has 2 divisors, whose sum is σ = 89920985754. Its totient is φ = 89920985752.

The previous prime is 89920985731. The next prime is 89920985789. The reversal of 89920985753 is 35758902998.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82430429449 + 7490556304 = 287107^2 + 86548^2 .

It is a cyclic number.

It is not a de Polignac number, because 89920985753 - 2¹⁸ = 89920723609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89920985753.

It is not a weakly prime, because it can be changed into another prime (89920985723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44960492876 + 44960492877.

It is an arithmetic number, because the mean of its divisors is an integer number (44960492877).

Almost surely, 2^89920985753 is an apocalyptic number.

It is an amenable number.

89920985753 is a deficient number, since it is larger than the sum of its proper divisors (1).

89920985753 is an equidigital number, since it uses as much as digits as its factorization.

89920985753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48988800, while the sum is 65.

The spelling of 89920985753 in words is "eighty-nine billion, nine hundred twenty million, nine hundred eighty-five thousand, seven hundred fifty-three".