89806147 has 2 divisors, whose sum is σ = 89806148. Its totient is φ = 89806146.

The previous prime is 89806117. The next prime is 89806153. The reversal of 89806147 is 74160898.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89806147 - 2¹⁹ = 89281859 is a prime.

It is not a weakly prime, because it can be changed into another prime (89806117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44903073 + 44903074.

It is an arithmetic number, because the mean of its divisors is an integer number (44903074).

Almost surely, 2^89806147 is an apocalyptic number.

89806147 is a deficient number, since it is larger than the sum of its proper divisors (1).

89806147 is an equidigital number, since it uses as much as digits as its factorization.

89806147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 89806147 is about 9476.6105227555. The cubic root of 89806147 is about 447.8184901261.

The spelling of 89806147 in words is "eighty-nine million, eight hundred six thousand, one hundred forty-seven".