89203528889 has 2 divisors, whose sum is σ = 89203528890. Its totient is φ = 89203528888.

The previous prime is 89203528793. The next prime is 89203528943. The reversal of 89203528889 is 98882530298.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70858180864 + 18345348025 = 266192^2 + 135445^2 .

It is a cyclic number.

It is not a de Polignac number, because 89203528889 - 2¹⁶ = 89203463353 is a prime.

It is a super-4 number, since 4×89203528889⁴ (a number of 45 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (89803528889) 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, 44601764444 + 44601764445.

It is an arithmetic number, because the mean of its divisors is an integer number (44601764445).

Almost surely, 2^89203528889 is an apocalyptic number.

It is an amenable number.

89203528889 is a deficient number, since it is larger than the sum of its proper divisors (1).

89203528889 is an equidigital number, since it uses as much as digits as its factorization.

89203528889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19906560, while the sum is 62.

The spelling of 89203528889 in words is "eighty-nine billion, two hundred three million, five hundred twenty-eight thousand, eight hundred eighty-nine".