89830636825 has 6 divisors (see below), whose sum is σ = 111389989694. Its totient is φ = 71864509440.

The previous prime is 89830636817. The next prime is 89830636829. The reversal of 89830636825 is 52863603898.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 733759744 + 89096877081 = 27088^2 + 298491^2 .

It is not a de Polignac number, because 89830636825 - 2³ = 89830636817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89830636825.

It is not an unprimeable number, because it can be changed into a prime (89830636829) 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 in 5 ways as a sum of consecutive naturals, for example, 1796612712 + ... + 1796612761.

Almost surely, 2^89830636825 is an apocalyptic number.

It is an amenable number.

89830636825 is a deficient number, since it is larger than the sum of its proper divisors (21559352869).

89830636825 is a wasteful number, since it uses less digits than its factorization.

89830636825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3593225483 (or 3593225478 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 58.

The spelling of 89830636825 in words is "eighty-nine billion, eight hundred thirty million, six hundred thirty-six thousand, eight hundred twenty-five".