89985738229 has 2 divisors, whose sum is σ = 89985738230. Its totient is φ = 89985738228.

The previous prime is 89985738217. The next prime is 89985738259. The reversal of 89985738229 is 92283758998.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61691134129 + 28294604100 = 248377^2 + 168210^2 .

It is a cyclic number.

It is not a de Polignac number, because 89985738229 - 2⁵ = 89985738197 is a prime.

It is a super-2 number, since 2×89985738229² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89985738259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44992869114 + 44992869115.

It is an arithmetic number, because the mean of its divisors is an integer number (44992869115).

Almost surely, 2^89985738229 is an apocalyptic number.

It is an amenable number.

89985738229 is a deficient number, since it is larger than the sum of its proper divisors (1).

89985738229 is an equidigital number, since it uses as much as digits as its factorization.

89985738229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 156764160, while the sum is 70.

The spelling of 89985738229 in words is "eighty-nine billion, nine hundred eighty-five million, seven hundred thirty-eight thousand, two hundred twenty-nine".