89636047 has 2 divisors, whose sum is σ = 89636048. Its totient is φ = 89636046.

The previous prime is 89636039. The next prime is 89636069. The reversal of 89636047 is 74063698.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89636047 - 2³ = 89636039 is a prime.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 89635994 and 89636012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89636647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44818023 + 44818024.

It is an arithmetic number, because the mean of its divisors is an integer number (44818024).

Almost surely, 2^89636047 is an apocalyptic number.

89636047 is a deficient number, since it is larger than the sum of its proper divisors (1).

89636047 is an equidigital number, since it uses as much as digits as its factorization.

89636047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 89636047 is about 9467.6315412040. The cubic root of 89636047 is about 447.5355767935.

The spelling of 89636047 in words is "eighty-nine million, six hundred thirty-six thousand, forty-seven".